# Uses of Package
java.io

Packages that use java.io
Package
Description
com.sun.jarsigner
This package comprises the interfaces and classes used to define the signing mechanism used by the `jarsigner` tool.
com.sun.jdi
This is the core package of the Java Debug Interface (JDI), it defines mirrors for values, types, and the target VirtualMachine itself - as well bootstrapping facilities.
com.sun.jdi.connect
This package defines connections between the virtual machine using the JDI and the target virtual machine.
com.sun.jdi.connect.spi
This package comprises the interfaces and classes used to develop new `TransportService` implementations.
com.sun.jdi.request
This package is used to request that a JDI event be sent under specified conditions.
com.sun.management
This package contains the JDK's extension to the standard implementation of the `java.lang.management` API and also defines the management interface for some other components of the platform.
com.sun.net.httpserver
Provides a simple high-level Http server API, which can be used to build embedded HTTP servers.
com.sun.net.httpserver.spi
Provides a pluggable service provider interface, which allows the HTTP server implementation to be replaced with other implementations.
com.sun.nio.sctp
A Java API for Stream Control Transport Protocol.
com.sun.security.auth
Provides implementations of `Principal`.
com.sun.security.auth.callback
Provides an implementation of `CallbackHandler`.
com.sun.security.jgss
This package defines classes and interfaces for the JDK extensions to the GSS-API.
com.sun.source.doctree
Provides interfaces to represent documentation comments as abstract syntax trees (AST).
com.sun.source.tree
Provides interfaces to represent source code as abstract syntax trees (AST).
com.sun.source.util
Provides utilities for operations on abstract syntax trees (AST).
com.sun.tools.attach
Provides the API to attach to a Java virtual machine.
com.sun.tools.attach.spi
Only developers who are defining new attach providers should need to make direct use of this package.
com.sun.tools.javac
This package provides a legacy entry point for the javac tool.
com.sun.tools.jconsole
This package contains the JConsole API.
java.applet
Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context.
java.awt
Contains all of the classes for creating user interfaces and for painting graphics and images.
java.awt.color
Provides classes for color spaces.
java.awt.datatransfer
Provides interfaces and classes for transferring data between and within applications.
java.awt.desktop
Provides interfaces and classes for interaction with various desktop capabilities.
java.awt.dnd
Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
java.awt.event
Provides interfaces and classes for dealing with different types of events fired by AWT components.
java.awt.font
Provides classes and interface relating to fonts.
java.awt.geom
Provides the Java 2D classes for defining and performing operations on objects related to two-dimensional geometry.
java.awt.image
Provides classes for creating and modifying images.
java.awt.image.renderable
Provides classes and interfaces for producing rendering-independent images.
java.awt.print
Provides classes and interfaces for a general printing API.
java.beans
Contains classes related to developing beans -- components based on the JavaBeans architecture.
java.beans.beancontext
Provides classes and interfaces relating to bean context.
java.io
Provides for system input and output through data streams, serialization and the file system.
java.lang
Provides classes that are fundamental to the design of the Java programming language.
java.lang.annotation
Provides library support for the Java programming language annotation facility.
java.lang.constant
Classes and interfaces to represent nominal descriptors for run-time entities such as classes or method handles, and classfile entities such as constant pool entries or `invokedynamic` call sites.
java.lang.instrument
Provides services that allow Java programming language agents to instrument programs running on the JVM.
java.lang.invoke
The `java.lang.invoke` package provides low-level primitives for interacting with the Java Virtual Machine.
java.lang.management
Provides the management interfaces for monitoring and management of the Java virtual machine and other components in the Java runtime.
java.lang.module
Classes to support module descriptors and creating configurations of modules by means of resolution and service binding.
java.lang.reflect
Provides classes and interfaces for obtaining reflective information about classes and objects.
java.math
Provides classes for performing arbitrary-precision integer arithmetic (`BigInteger`) and arbitrary-precision decimal arithmetic (`BigDecimal`).
java.net
Provides the classes for implementing networking applications.
java.net.http
HTTP Client and WebSocket APIs
java.nio
Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
java.nio.channels
Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
java.nio.channels.spi
Service-provider classes for the `java.nio.channels` package.
java.nio.charset
Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
java.nio.file
Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
java.nio.file.attribute
Interfaces and classes providing access to file and file system attributes.
java.nio.file.spi
Service-provider classes for the `java.nio.file` package.
java.rmi
Provides the RMI package.
java.rmi.activation
Provides support for RMI Object Activation.
java.rmi.dgc
Provides classes and interface for RMI distributed garbage-collection (DGC).
java.rmi.server
Provides classes and interfaces for supporting the server side of RMI.
java.security
Provides the classes and interfaces for the security framework.
java.security.cert
Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
java.security.interfaces
Provides interfaces for generating RSA (Rivest, Shamir and Adleman AsymmetricCipher algorithm) keys as defined in the RSA Laboratory Technical Note PKCS#1, and DSA (Digital Signature Algorithm) keys as defined in NIST's FIPS-186.
java.security.spec
Provides classes and interfaces for key specifications and algorithm parameter specifications.
java.sql
Provides the API for accessing and processing data stored in a data source (usually a relational database) using the Java programming language.
java.text
Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
java.time
The main API for dates, times, instants, and durations.
java.time.chrono
Generic API for calendar systems other than the default ISO.
java.time.format
Provides classes to print and parse dates and times.
java.time.temporal
Access to date and time using fields and units, and date time adjusters.
java.time.zone
Support for time-zones and their rules.
java.util
Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
java.util.concurrent
Utility classes commonly useful in concurrent programming.
java.util.concurrent.atomic
A small toolkit of classes that support lock-free thread-safe programming on single variables.
java.util.concurrent.locks
Interfaces and classes providing a framework for locking and waiting for conditions that is distinct from built-in synchronization and monitors.
java.util.jar
Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.
java.util.logging
Provides the classes and interfaces of the Java 2 platform's core logging facilities.
java.util.prefs
This package allows applications to store and retrieve user and system preference and configuration data.
java.util.regex
Classes for matching character sequences against patterns specified by regular expressions.
java.util.spi
Service provider classes for the classes in the java.util package.
java.util.stream
Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.
java.util.zip
Provides classes for reading and writing the standard ZIP and GZIP file formats.
javax.accessibility
Defines a contract between user-interface components and an assistive technology that provides access to those components.
javax.annotation.processing
Facilities for declaring annotation processors and for allowing annotation processors to communicate with an annotation processing tool environment.
javax.crypto
Provides the classes and interfaces for cryptographic operations.
javax.crypto.interfaces
Provides interfaces for Diffie-Hellman keys as defined in RSA Laboratories' PKCS #3.
javax.crypto.spec
Provides classes and interfaces for key specifications and algorithm parameter specifications.
javax.imageio
The main package of the Java Image I/O API.
javax.imageio.metadata
A package of the Java Image I/O API dealing with reading and writing metadata.
javax.imageio.spi
A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry.
javax.imageio.stream
A package of the Java Image I/O API dealing with low-level I/O from files and streams.
javax.lang.model
Types and hierarchies of packages comprising a Java language model, a model of the declarations and types of the Java programming language.
javax.lang.model.element
Interfaces used to model elements of the Java programming language.
javax.lang.model.type
Interfaces used to model Java programming language types.
javax.lang.model.util
Utilities to assist in the processing of program elements and types.
javax.management
Provides the core classes for the Java Management Extensions.
javax.management.loading
Provides the classes which implement advanced dynamic loading.
javax.management.modelmbean
Provides the definition of the ModelMBean classes.
javax.management.monitor
Provides the definition of the monitor classes.
javax.management.openmbean
Provides the open data types and Open MBean descriptor classes.
javax.management.relation
Provides the definition of the Relation Service.
javax.management.remote
Interfaces for remote access to JMX MBean servers.
javax.management.remote.rmi
The RMI connector is a connector for the JMX Remote API that uses RMI to transmit client requests to a remote MBean server.
javax.management.timer
Provides the definition of the Timer MBean.
javax.naming
Provides the classes and interfaces for accessing naming services.
javax.naming.directory
Extends the `javax.naming` package to provide functionality for accessing directory services.
javax.naming.event
Provides support for event notification when accessing naming and directory services.
javax.naming.ldap
Provides support for LDAPv3 extended operations and controls.
javax.naming.spi
Provides the means for dynamically plugging in support for accessing naming and directory services through the `javax.naming` and related packages.
javax.net
Provides classes for networking applications.
javax.net.ssl
Provides classes for the secure socket package.
javax.print
Provides the principal classes and interfaces for the Java Print Service API.
javax.print.attribute
Provides classes and interfaces that describe the types of Java Print Service attributes and how they can be collected into attribute sets.
javax.print.attribute.standard
Package `javax.print.attribute.standard` contains classes for specific printing attributes.
javax.print.event
Package `javax.print.event` contains event classes and listener interfaces.
javax.rmi.ssl
Provides implementations of `RMIClientSocketFactory` and `RMIServerSocketFactory` over the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols.
javax.script
The scripting API consists of interfaces and classes that define Java Scripting Engines and provides a framework for their use in Java applications.
javax.security.auth
This package provides a framework for authentication and authorization.
javax.security.auth.callback
This package provides the classes necessary for services to interact with applications in order to retrieve information (authentication data including usernames or passwords, for example) or to display information (error and warning messages, for example).
javax.security.auth.kerberos
This package contains utility classes related to the Kerberos network authentication protocol.
javax.security.auth.login
This package provides a pluggable authentication framework.
javax.security.auth.x500
This package contains the classes that should be used to store X500 Principal and X500 Private Credentials in a Subject.
javax.security.cert
Provides classes for public key certificates.
javax.security.sasl
Contains class and interfaces for supporting SASL.
javax.smartcardio
Java™ Smart Card I/O API.
javax.sound.midi
Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.
javax.sound.midi.spi
Supplies interfaces for service providers to implement when offering new MIDI devices, MIDI file readers and writers, or sound bank readers.
javax.sound.sampled
Provides interfaces and classes for capture, processing, and playback of sampled audio data.
javax.sound.sampled.spi
Supplies abstract classes for service providers to subclass when offering new audio devices, sound file readers and writers, or audio format converters.
javax.sql
Provides the API for server side data source access and processing from the Java programming language.
javax.sql.rowset
Standard interfaces and base classes for JDBC `RowSet` implementations.
javax.sql.rowset.serial
Provides utility classes to allow serializable mappings between SQL types and data types in the Java programming language.
javax.sql.rowset.spi
The standard classes and interfaces that a third party vendor has to use in its implementation of a synchronization provider.
javax.swing
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.border
Provides classes and interface for drawing specialized borders around a Swing component.
javax.swing.colorchooser
Contains classes and interfaces used by the `JColorChooser` component.
javax.swing.event
Provides for events fired by Swing components.
javax.swing.filechooser
Contains classes and interfaces used by the `JFileChooser` component.
javax.swing.plaf
Provides one interface and many abstract classes that Swing uses to provide its pluggable look-and-feel capabilities.
javax.swing.plaf.basic
Provides user interface objects built according to the Basic look and feel.
javax.swing.plaf.metal
Provides user interface objects built according to the Java look and feel (once codenamed Metal), which is the default look and feel.
javax.swing.plaf.multi
Provides user interface objects that combine two or more look and feels.
javax.swing.plaf.nimbus
Provides user interface objects built according to the cross-platform Nimbus look and feel.
javax.swing.plaf.synth
Synth is a skinnable look and feel in which all painting is delegated.
javax.swing.table
Provides classes and interfaces for dealing with `javax.swing.JTable`.
javax.swing.text
Provides classes and interfaces that deal with editable and noneditable text components.
javax.swing.text.html
Provides the class `HTMLEditorKit` and supporting classes for creating HTML text editors.
javax.swing.text.html.parser
Provides the default HTML parser, along with support classes.
javax.swing.text.rtf
Provides a class (`RTFEditorKit`) for creating Rich-Text-Format text editors.
javax.swing.tree
Provides classes and interfaces for dealing with `javax.swing.JTree`.
javax.swing.undo
Allows developers to provide support for undo/redo in applications such as text editors.
javax.tools
Provides interfaces for tools which can be invoked from a program, for example, compilers.
javax.transaction.xa
Provides the API that defines the contract between the transaction manager and the resource manager, which allows the transaction manager to enlist and delist resource objects (supplied by the resource manager driver) in JTA transactions.
javax.xml.catalog
Provides the classes for implementing XML Catalogs OASIS Standard V1.1, 7 October 2005.
javax.xml.crypto
Common classes for XML cryptography.
javax.xml.crypto.dsig
Classes for generating and validating XML digital signatures.
javax.xml.datatype
Defines XML/Java Type Mappings.
javax.xml.namespace
Defines XML Namespace processing.
javax.xml.parsers
Provides the classes for processing XML documents with a SAX (Simple API for XML) parser or a DOM (Document Object Model) Document builder.
javax.xml.stream
Defines interfaces and classes for the Streaming API for XML (StAX).
javax.xml.stream.events
Defines event interfaces for the Streaming API for XML (StAX).
javax.xml.transform
Defines the generic APIs for processing transformation instructions, and performing a transformation from source to result.
javax.xml.transform.stream
Provides stream and URI specific transformation classes.
javax.xml.validation
Provides an API for validation of XML documents.
javax.xml.xpath
Provides an object-model neutral API for the evaluation of XPath expressions and access to the evaluation environment.
jdk.dynalink
Contains interfaces and classes that are used to link an `invokedynamic` call site.
jdk.dynalink.beans
Contains the linker for ordinary Java objects.
jdk.dynalink.linker
Contains interfaces and classes needed by language runtimes to implement their own language-specific object models and type conversions.
jdk.incubator.foreign
Classes to support low-level and efficient foreign memory/function access, directly from Java.
jdk.incubator.vector
Incubating Feature. Will be removed in a future release.
jdk.javadoc.doclet
The Doclet API provides an environment which, in conjunction with the Language Model API and Compiler Tree API, allows clients to inspect the source-level structures of programs and libraries, including API comments embedded in the source.
jdk.jfr
This package provides classes to create events and control Flight Recorder.
jdk.jfr.consumer
This package contains classes for consuming Flight Recorder data.
jdk.jshell
Provides interfaces for creating tools, such as a Read-Eval-Print Loop (REPL), which interactively evaluate "snippets" of Java programming language code.
jdk.jshell.execution
Provides implementation support for building JShell execution engines.
jdk.jshell.spi
Defines the Service Provider Interface for pluggable JShell execution engines.
jdk.jshell.tool
Provides a mechanism to launch an instance of a Java shell tool.
jdk.management.jfr
This package contains classes to control and monitor Flight Recorder over Java Management Extensions (JMX).
jdk.net
Platform specific socket options for the `java.net` and `java.nio.channels` socket classes.
jdk.nio
Defines JDK-specific `channel` APIs.
jdk.security.jarsigner
This package defines APIs for signing jar files.
netscape.javascript
Provides Java code the ability to access the JavaScript engine and the HTML DOM in the web browser.
org.ietf.jgss
This package presents a framework that allows application developers to make use of security services like authentication, data integrity and data confidentiality from a variety of underlying security mechanisms like Kerberos, using a unified API.
org.w3c.dom
Provides the interfaces for the Document Object Model (DOM).
org.w3c.dom.events
Provides interfaces for DOM Level 2 Events.
org.w3c.dom.ls
Provides interfaces for DOM Level 3 Load and Save.
org.w3c.dom.ranges
Provides interfaces for DOM Level 2 Range.
org.w3c.dom.xpath
Provides interfaces for DOM Level 3 XPath Specification.
org.xml.sax
Provides the interfaces for the Simple API for XML (SAX).
org.xml.sax.ext
Provides interfaces to SAX2 facilities that conformant SAX drivers won't necessarily support.
org.xml.sax.helpers
Provides helper classes, including support for bootstrapping SAX-based applications.

Classes in java.io used by com.sun.jarsigner
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Classes in java.io used by com.sun.jdi
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by com.sun.jdi.connect
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by com.sun.jdi.connect.spi
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by com.sun.jdi.request
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by com.sun.management
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by com.sun.net.httpserver
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Classes in java.io used by com.sun.net.httpserver.spi
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Classes in java.io used by com.sun.nio.sctp
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by com.sun.security.auth
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by com.sun.security.auth.callback
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Classes in java.io used by com.sun.security.jgss
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by com.sun.source.doctree
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by com.sun.source.tree
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by com.sun.source.util
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by com.sun.tools.attach
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by com.sun.tools.attach.spi
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Classes in java.io used by com.sun.tools.javac
Class
Description
PrintWriter
Prints formatted representations of objects to a text-output stream.
Classes in java.io used by com.sun.tools.jconsole
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.applet
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.awt
Class
Description
File
An abstract representation of file and directory pathnames.
FilenameFilter
Instances of classes that implement this interface are used to filter filenames.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
ObjectOutputStream
An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.
ObjectStreamException
Superclass of all exceptions specific to Object Stream classes.
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
PrintWriter
Prints formatted representations of objects to a text-output stream.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.awt.color
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
ObjectStreamException
Superclass of all exceptions specific to Object Stream classes.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.awt.datatransfer
Class
Description
Externalizable
Only the identity of the class of an Externalizable instance is written in the serialization stream and it is the responsibility of the class to save and restore the contents of its instances.
IOException
Signals that an I/O exception of some sort has occurred.
ObjectInput
ObjectInput extends the DataInput interface to include the reading of objects.
ObjectOutput
ObjectOutput extends the DataOutput interface to include writing of objects.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.awt.desktop
Class
Description
File
An abstract representation of file and directory pathnames.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.awt.dnd
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.awt.event
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.awt.font
Class
Description
InvalidObjectException
Indicates that one or more deserialized objects failed validation tests.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.awt.geom
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.awt.image
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.awt.image.renderable
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.awt.print
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.beans
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.beans.beancontext
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
ObjectInputStream
An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.
ObjectOutputStream
An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.io
Class
Description
BufferedReader
Reads text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines.
CharArrayWriter
This class implements a character buffer that can be used as an Writer.
Closeable
A `Closeable` is a source or destination of data that can be closed.
Console
Methods to access the character-based console device, if any, associated with the current Java virtual machine.
DataInput
The `DataInput` interface provides for reading bytes from a binary stream and reconstructing from them data in any of the Java primitive types.
DataOutput
The `DataOutput` interface provides for converting data from any of the Java primitive types to a series of bytes and writing these bytes to a binary stream.
File
An abstract representation of file and directory pathnames.
FileDescriptor
Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.
FileFilter
A filter for abstract pathnames.
FilenameFilter
Instances of classes that implement this interface are used to filter filenames.
FileNotFoundException
Signals that an attempt to open the file denoted by a specified pathname has failed.
FilterInputStream
A `FilterInputStream` contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
FilterOutputStream
This class is the superclass of all classes that filter output streams.
FilterReader
Abstract class for reading filtered character streams.
Flushable
A `Flushable` is a destination of data that can be flushed.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
InputStreamReader
An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and decodes them into characters using a specified `charset`.
InvalidObjectException
Indicates that one or more deserialized objects failed validation tests.
IOException
Signals that an I/O exception of some sort has occurred.
NotActiveException
Thrown when serialization or deserialization is not active.
ObjectInput
ObjectInput extends the DataInput interface to include the reading of objects.
ObjectInputFilter
Filter classes, array lengths, and graph metrics during deserialization.
ObjectInputFilter.FilterInfo
FilterInfo provides access to information about the current object being deserialized and the status of the `ObjectInputStream`.
ObjectInputFilter.Status
The status of a check on the class, array length, number of references, depth, and stream size.
ObjectInputStream.GetField
Provide access to the persistent fields read from the input stream.
ObjectInputValidation
Callback interface to allow validation of objects within a graph.
ObjectOutput
ObjectOutput extends the DataOutput interface to include writing of objects.
ObjectOutputStream.PutField
Provide programmatic access to the persistent fields to be written to ObjectOutput.
ObjectStreamClass
Serialization's descriptor for classes.
ObjectStreamConstants
Constants written into the Object Serialization Stream.
ObjectStreamException
Superclass of all exceptions specific to Object Stream classes.
ObjectStreamField
A description of a Serializable field from a Serializable class.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
OutputStreamWriter
An OutputStreamWriter is a bridge from character streams to byte streams: Characters written to it are encoded into bytes using a specified `charset`.
PipedInputStream
A piped input stream should be connected to a piped output stream; the piped input stream then provides whatever data bytes are written to the piped output stream.
PipedOutputStream
A piped output stream can be connected to a piped input stream to create a communications pipe.
PipedReader
Piped character-input streams.
PipedWriter
Piped character-output streams.
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
PrintWriter
Prints formatted representations of objects to a text-output stream.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
SerializablePermission
This class is for Serializable permissions.
StreamCorruptedException
Thrown when control information that was read from an object stream violates internal consistency checks.
StringWriter
A character stream that collects its output in a string buffer, which can then be used to construct a string.
SyncFailedException
Signals that a sync operation has failed.
UnsupportedEncodingException
The Character Encoding is not supported.
Writer
Abstract class for writing to character streams.
Classes in java.io used by java.lang
Class
Description
Console
Methods to access the character-based console device, if any, associated with the current Java virtual machine.
File
An abstract representation of file and directory pathnames.
FileDescriptor
Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
PrintWriter
Prints formatted representations of objects to a text-output stream.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
UnsupportedEncodingException
The Character Encoding is not supported.
Classes in java.io used by java.lang.annotation
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.lang.constant
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.lang.instrument
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.lang.invoke
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.lang.management
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.lang.module
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.lang.reflect
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.math
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.net
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
FileDescriptor
Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
InterruptedIOException
Signals that an I/O operation has been interrupted.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
UnsupportedEncodingException
The Character Encoding is not supported.
Classes in java.io used by java.net.http
Class
Description
FileNotFoundException
Signals that an attempt to open the file denoted by a specified pathname has failed.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.nio
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.nio.channels
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Writer
Abstract class for writing to character streams.
Classes in java.io used by java.nio.channels.spi
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
IOException
Signals that an I/O exception of some sort has occurred.
Classes in java.io used by java.nio.charset
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.nio.file
Class
Description
BufferedReader
Reads text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines.
BufferedWriter
Writes text to a character-output stream, buffering characters so as to provide for the efficient writing of single characters, arrays, and strings.
Closeable
A `Closeable` is a source or destination of data that can be closed.
File
An abstract representation of file and directory pathnames.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.nio.file.attribute
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.nio.file.spi
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Classes in java.io used by java.rmi
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.rmi.activation
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.rmi.dgc
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.rmi.server
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
DataInput
The `DataInput` interface provides for reading bytes from a binary stream and reconstructing from them data in any of the Java primitive types.
DataOutput
The `DataOutput` interface provides for converting data from any of the Java primitive types to a series of bytes and writing these bytes to a binary stream.
Externalizable
Only the identity of the class of an Externalizable instance is written in the serialization stream and it is the responsibility of the class to save and restore the contents of its instances.
FilterOutputStream
This class is the superclass of all classes that filter output streams.
Flushable
A `Flushable` is a destination of data that can be flushed.
IOException
Signals that an I/O exception of some sort has occurred.
ObjectInput
ObjectInput extends the DataInput interface to include the reading of objects.
ObjectInputFilter
Filter classes, array lengths, and graph metrics during deserialization.
ObjectOutput
ObjectOutput extends the DataOutput interface to include writing of objects.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
StreamCorruptedException
Thrown when control information that was read from an object stream violates internal consistency checks.
Classes in java.io used by java.security
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
File
An abstract representation of file and directory pathnames.
FilterInputStream
A `FilterInputStream` contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
FilterOutputStream
This class is the superclass of all classes that filter output streams.
Flushable
A `Flushable` is a destination of data that can be flushed.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
ObjectStreamException
Superclass of all exceptions specific to Object Stream classes.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serial
Indicates that an annotated field or method is part of the serialization mechanism defined by the Java Object Serialization Specification.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.security.cert
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
ObjectStreamException
Superclass of all exceptions specific to Object Stream classes.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serial
Indicates that an annotated field or method is part of the serialization mechanism defined by the Java Object Serialization Specification.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.security.interfaces
Class
Description
Serial
Indicates that an annotated field or method is part of the serialization mechanism defined by the Java Object Serialization Specification.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.security.spec
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.sql
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
PrintWriter
Prints formatted representations of objects to a text-output stream.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Writer
Abstract class for writing to character streams.
Classes in java.io used by java.text
Class
Description
InvalidObjectException
Indicates that one or more deserialized objects failed validation tests.
Serial
Indicates that an annotated field or method is part of the serialization mechanism defined by the Java Object Serialization Specification.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.time
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.time.chrono
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.time.format
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.time.temporal
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.time.zone
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.util
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
File
An abstract representation of file and directory pathnames.
FileNotFoundException
Signals that an attempt to open the file denoted by a specified pathname has failed.
Flushable
A `Flushable` is a destination of data that can be flushed.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
PrintWriter
Prints formatted representations of objects to a text-output stream.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
UnsupportedEncodingException
The Character Encoding is not supported.
Writer
Abstract class for writing to character streams.
Classes in java.io used by java.util.concurrent
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.util.concurrent.atomic
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.util.concurrent.locks
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.util.jar
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
File
An abstract representation of file and directory pathnames.
FilterInputStream
A `FilterInputStream` contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
FilterOutputStream
This class is the superclass of all classes that filter output streams.
Flushable
A `Flushable` is a destination of data that can be flushed.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.util.logging
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
UnsupportedEncodingException
The Character Encoding is not supported.
Classes in java.io used by java.util.prefs
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.util.regex
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.util.spi
Class
Description
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
PrintWriter
Prints formatted representations of objects to a text-output stream.
Classes in java.io used by java.util.stream
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by java.util.zip
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
File
An abstract representation of file and directory pathnames.
FilterInputStream
A `FilterInputStream` contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
FilterOutputStream
This class is the superclass of all classes that filter output streams.
Flushable
A `Flushable` is a destination of data that can be flushed.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.accessibility
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
Classes in java.io used by javax.annotation.processing
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.crypto
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
FilterInputStream
A `FilterInputStream` contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
FilterOutputStream
This class is the superclass of all classes that filter output streams.
Flushable
A `Flushable` is a destination of data that can be flushed.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.crypto.interfaces
Class
Description
Serial
Indicates that an annotated field or method is part of the serialization mechanism defined by the Java Object Serialization Specification.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.crypto.spec
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.imageio
Class
Description
File
An abstract representation of file and directory pathnames.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.imageio.metadata
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.imageio.spi
Class
Description
File
An abstract representation of file and directory pathnames.
IOException
Signals that an I/O exception of some sort has occurred.
Classes in java.io used by javax.imageio.stream
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
DataInput
The `DataInput` interface provides for reading bytes from a binary stream and reconstructing from them data in any of the Java primitive types.
DataOutput
The `DataOutput` interface provides for converting data from any of the Java primitive types to a series of bytes and writing these bytes to a binary stream.
File
An abstract representation of file and directory pathnames.
FileNotFoundException
Signals that an attempt to open the file denoted by a specified pathname has failed.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
RandomAccessFile
Instances of this class support both reading and writing to a random access file.
Classes in java.io used by javax.lang.model
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.lang.model.element
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.lang.model.type
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.lang.model.util
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Writer
Abstract class for writing to character streams.
Classes in java.io used by javax.management
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
ObjectInputStream
An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.management.loading
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
Externalizable
Only the identity of the class of an Externalizable instance is written in the serialization stream and it is the responsibility of the class to save and restore the contents of its instances.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
ObjectInput
ObjectInput extends the DataInput interface to include the reading of objects.
ObjectOutput
ObjectOutput extends the DataOutput interface to include writing of objects.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.management.modelmbean
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.management.monitor
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.management.openmbean
Class
Description
ObjectStreamException
Superclass of all exceptions specific to Object Stream classes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.management.relation
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.management.remote
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.management.remote.rmi
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.management.timer
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.naming
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.naming.directory
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.naming.event
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.naming.ldap
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.naming.spi
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.net
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Classes in java.io used by javax.net.ssl
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.print
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.print.attribute
Class
Description
ObjectStreamException
Superclass of all exceptions specific to Object Stream classes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.print.attribute.standard
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.print.event
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.rmi.ssl
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.script
Class
Description
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Writer
Abstract class for writing to character streams.
Classes in java.io used by javax.security.auth
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.security.auth.callback
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.security.auth.kerberos
Class
Description
File
An abstract representation of file and directory pathnames.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.security.auth.login
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.security.auth.x500
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.security.cert
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.security.sasl
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.smartcardio
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.sound.midi
Class
Description
File
An abstract representation of file and directory pathnames.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.sound.midi.spi
Class
Description
File
An abstract representation of file and directory pathnames.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Classes in java.io used by javax.sound.sampled
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
File
An abstract representation of file and directory pathnames.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.sound.sampled.spi
Class
Description
File
An abstract representation of file and directory pathnames.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Classes in java.io used by javax.sql
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
PrintWriter
Prints formatted representations of objects to a text-output stream.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.sql.rowset
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Writer
Abstract class for writing to character streams.
Classes in java.io used by javax.sql.rowset.serial
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Writer
Abstract class for writing to character streams.
Classes in java.io used by javax.sql.rowset.spi
Class
Description
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Writer
Abstract class for writing to character streams.
Classes in java.io used by javax.swing
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
File
An abstract representation of file and directory pathnames.
FilterInputStream
A `FilterInputStream` contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.swing.border
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.swing.colorchooser
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.swing.event
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.swing.filechooser
Class
Description
File
An abstract representation of file and directory pathnames.
FileNotFoundException
Signals that an attempt to open the file denoted by a specified pathname has failed.
IOException
Signals that an I/O exception of some sort has occurred.
Classes in java.io used by javax.swing.plaf
Class
Description
File
An abstract representation of file and directory pathnames.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.swing.plaf.basic
Class
Description
File
An abstract representation of file and directory pathnames.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.swing.plaf.metal
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.swing.plaf.multi
Class
Description
File
An abstract representation of file and directory pathnames.
Classes in java.io used by javax.swing.plaf.nimbus
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.swing.plaf.synth
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.swing.table
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.swing.text
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
ObjectInputStream
An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.
ObjectOutputStream
An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Writer
Abstract class for writing to character streams.
Classes in java.io used by javax.swing.text.html
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Writer
Abstract class for writing to character streams.
Classes in java.io used by javax.swing.text.html.parser
Class
Description
DataInputStream
A data input stream lets an application read primitive Java data types from an underlying input stream in a machine-independent way.
IOException
Signals that an I/O exception of some sort has occurred.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.swing.text.rtf
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Writer
Abstract class for writing to character streams.
Classes in java.io used by javax.swing.tree
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.swing.undo
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.tools
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
File
An abstract representation of file and directory pathnames.
Flushable
A `Flushable` is a destination of data that can be flushed.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Writer
Abstract class for writing to character streams.
Classes in java.io used by javax.transaction.xa
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.xml.catalog
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.xml.crypto
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
PrintWriter
Prints formatted representations of objects to a text-output stream.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.xml.crypto.dsig
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
PrintWriter
Prints formatted representations of objects to a text-output stream.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.xml.datatype
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.xml.namespace
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.xml.parsers
Class
Description
File
An abstract representation of file and directory pathnames.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.xml.stream
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Writer
Abstract class for writing to character streams.
Classes in java.io used by javax.xml.stream.events
Class
Description
Writer
Abstract class for writing to character streams.
Classes in java.io used by javax.xml.transform
Class
Description
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
PrintWriter
Prints formatted representations of objects to a text-output stream.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.xml.transform.stream
Class
Description
File
An abstract representation of file and directory pathnames.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Reader
Abstract class for reading character streams.
Writer
Abstract class for writing to character streams.
Classes in java.io used by javax.xml.validation
Class
Description
File
An abstract representation of file and directory pathnames.
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by javax.xml.xpath
Class
Description
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
PrintWriter
Prints formatted representations of objects to a text-output stream.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by jdk.dynalink
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by jdk.dynalink.beans
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by jdk.dynalink.linker
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by jdk.incubator.foreign
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by jdk.incubator.vector
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by jdk.javadoc.doclet
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by jdk.jfr
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by jdk.jfr.consumer
Class
Description
Closeable
A `Closeable` is a source or destination of data that can be closed.
IOException
Signals that an I/O exception of some sort has occurred.
Classes in java.io used by jdk.jshell
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by jdk.jshell.execution
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
ObjectInput
ObjectInput extends the DataInput interface to include the reading of objects.
ObjectOutput
ObjectOutput extends the DataOutput interface to include writing of objects.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Classes in java.io used by jdk.jshell.spi
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by jdk.jshell.tool
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
PrintStream
A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
Classes in java.io used by jdk.management.jfr
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Classes in java.io used by jdk.net
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by jdk.nio
Class
Description
FileDescriptor
Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
Classes in java.io used by jdk.security.jarsigner
Class
Description
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by netscape.javascript
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by org.ietf.jgss
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by org.w3c.dom
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by org.w3c.dom.events
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by org.w3c.dom.ls
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
OutputStream
This abstract class is the superclass of all classes representing an output stream of bytes.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Writer
Abstract class for writing to character streams.
Classes in java.io used by org.w3c.dom.ranges
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by org.w3c.dom.xpath
Class
Description
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by org.xml.sax
Class
Description
InputStream
This abstract class is the superclass of all classes representing an input stream of bytes.
IOException
Signals that an I/O exception of some sort has occurred.
Reader
Abstract class for reading character streams.
Serializable
Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
Classes in java.io used by org.xml.sax.ext
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.
Classes in java.io used by org.xml.sax.helpers
Class
Description
IOException
Signals that an I/O exception of some sort has occurred.