# Uses of Interface
java.lang.classfile.ClassFileElement

Packages that use ClassFileElement
Package
Description
java.lang.classfile
Provides classfile parsing, generation, and transformation library.
java.lang.classfile.attribute
Provides interfaces describing `class` file attributes for the `java.lang.classfile` library.
java.lang.classfile.instruction
Provides interfaces describing code instructions for the `java.lang.classfile` library.

## Uses of ClassFileElement in java.lang.classfile

Classes in java.lang.classfile with type parameters of type ClassFileElement
Modifier and Type
Interface
Description
`interface`
`ClassFileBuilder<E extends ClassFileElement, B extends ClassFileBuilder<E,B>>`
A builder for a `CompoundElement`, which accepts the member elements to be integrated into the built structure.
`interface`
`ClassFileTransform<C extends ClassFileTransform<C,E,B>, E extends ClassFileElement, B extends ClassFileBuilder<E,B>>`
A transformation on a `CompoundElement` by processing its individual member elements and sending the results to a `ClassFileBuilder`, through `ClassFileBuilder.transform(CompoundElement, ClassFileTransform)`.
`interface`
`CompoundElement<E extends ClassFileElement>`
A `class` file structure that can be viewed as a composition of its member structures.
Subinterfaces of ClassFileElement in java.lang.classfile
Modifier and Type
Interface
Description
`interface`
`AccessFlags`
Models the access flags for a class, method, or field.
`interface`
`Attribute<A extends Attribute<A>>`
Models an attribute (JVMS 4.7) in the `class` file format.
`interface`
`AttributedElement`
A `ClassFileElement` describing a `class` file structure that has attributes, such as a `class` file, a field, a method, a `Code` attribute, or a record component.
`interface`
`ClassElement`
Marker interface for a member element of a `ClassModel`.
`interface`
`ClassFileVersion`
Models the minor and major version numbers of a `class` file (JVMS 4.1).
`interface`
`ClassModel`
Models a `class` file.
`interface`
`CodeElement`
Marker interface for a member element of a `CodeModel`.
`interface`
`CodeModel`
Models the body of a method (the `Code` attribute).
`interface`
`CompoundElement<E extends ClassFileElement>`
A `class` file structure that can be viewed as a composition of its member structures.
`interface`
`FieldElement`
Marker interface for a member element of a `FieldModel`.
`interface`
`FieldModel`
Models a field.
`interface`
`Instruction`
Models an executable instruction in the `code` array of the `Code` attribute of a method.
`interface`
`Interfaces`
Models the interfaces (JVMS 4.1) of a class.
`interface`
`MethodElement`
Marker interface for a member element of a `MethodModel`.
`interface`
`MethodModel`
Models a method.
`interface`
`PseudoInstruction`
Models metadata about a `CodeModel`, derived from the `Code` attribute itself or its attributes.
`interface`
`Superclass`
Models the superclass (JVMS 4.1) of a class.
Classes in java.lang.classfile that implement ClassFileElement
Modifier and Type
Class
Description
`class`
`CustomAttribute<T extends CustomAttribute<T>>`
Models a user-defined attribute in a `class` file.

## Uses of ClassFileElement in java.lang.classfile.attribute

Subinterfaces of ClassFileElement in java.lang.classfile.attribute
Modifier and Type
Interface
Description
`interface`
`AnnotationDefaultAttribute`
Models the `AnnotationDefault` attribute (JVMS 4.7.22), which records the default value (JLS 9.6.2) for the annotation interface element defined by this method.
`interface`
`BootstrapMethodsAttribute`
Models the `BootstrapMethods` attribute (JVMS 4.7.23), which stores symbolic information for the execution of bootstrap methods, used by dynamically-computed call sites and constants.
`interface`
`CharacterRangeTableAttribute`
Models the `CharacterRangeTable` attribute, which is a bidirectional mapping from ranges of positions in the source file to ranges of indices into the `code` array.
`interface`
`CodeAttribute`
Models the `Code` attribute (JVMS 4.7.3), which contains the bytecode of this method.
`interface`
`CompilationIDAttribute`
Models the `CompilationID` attribute, which records the compilation time of the `class` file.
`interface`
`ConstantValueAttribute`
Models the `ConstantValue` attribute (JVMS 4.7.2), which indicates this field's value is a constant and that constant value.
`interface`
`DeprecatedAttribute`
Models the `Deprecated` attribute (JVMS 4.7.15), which indicates this structure has been superseded.
`interface`
`EnclosingMethodAttribute`
Models the `EnclosingMethod` attribute (JVMS 4.7.7), which indicates that this class is a local or anonymous class, and indicates the enclosing method or constructor of this class if this class is enclosed in exactly one method or constructor.
`interface`
`ExceptionsAttribute`
Models the `Exceptions` attribute (JVMS 4.7.5), which records the exceptions declared to be thrown by this method.
`interface`
`InnerClassesAttribute`
Models the `InnerClasses` attribute (JVMS 4.7.6), which records which classes referenced by this `class` file are nested classes.
`interface`
`LineNumberTableAttribute`
Models the `LineNumberTable` attribute (JVMS 4.7.12), which records the mapping between indexes into the `code` array and line numbers in the source file.
`interface`
`LocalVariableTableAttribute`
Models the `LocalVariableTable` attribute (JVMS 4.7.13), which records debug information about local variables.
`interface`
`LocalVariableTypeTableAttribute`
Models the `LocalVariableTypeTable` attribute (JVMS 4.7.14), which records debug information about local variables with generic types.
`interface`
`MethodParametersAttribute`
Models the `MethodParameters` attribute (JVMS 4.7.24), which records reflective information about this method's parameters such as access modifiers.
`interface`
`ModuleAttribute`
Models the `Module` attribute (JVMS 4.7.25), which always appears on classes that represent module descriptors.
`interface`
`ModuleHashesAttribute`
Models the `ModuleHashes` attribute, which appears on classes that represent module descriptors to capture the hashes of a set of co-delivered modules.
`interface`
`ModuleMainClassAttribute`
Models the `ModuleMainClass` attribute (JVMS 4.7.27), which appears on classes that represent module descriptors to indicate the main class of the module.
`interface`
`ModulePackagesAttribute`
Models the `ModulePackages` attribute (JVMS 4.7.26), which can appear on classes that represent module descriptors to indicate packages in the module used by the module descriptor.
`interface`
`ModuleResolutionAttribute`
Models the `ModuleResolution` attribute, which can appear on classes that represent module descriptors, to capture resolution metadata for modules.
`interface`
`ModuleTargetAttribute`
Models the `ModuleTarget` attribute, which can appear on classes that represent module descriptors, to represent constraints on the target platform.
`interface`
`NestHostAttribute`
Models the `NestHost` attribute (JVMS 4.7.28), which indicates this class is a member of a nest and the host class of the nest.
`interface`
`NestMembersAttribute`
Models the `NestMembers` attribute (JVMS 4.7.29), which indicates that this class is the host of a nest and the other nest members.
`interface`
`PermittedSubclassesAttribute`
Models the `PermittedSubclasses` attribute (JVMS 4.7.31), which indicates this class or interface is sealed, and which classes or interfaces may extend or implement this class or interface.
`interface`
`RecordAttribute`
Models the `Record` attribute (JVMS 4.7.30), which indicates that this class is a record class and the record components.
`interface`
`RecordComponentInfo`
Models a single record component in the `RecordAttribute`.
`interface`
`RuntimeInvisibleAnnotationsAttribute`
Models the `RuntimeInvisibleAnnotations` attribute (JVMS 4.7.17), which stores declaration annotations on this structure that are visible to `class` file consumers but are not visible to core reflection.
`interface`
`RuntimeInvisibleParameterAnnotationsAttribute`
Models the `RuntimeInvisibleParameterAnnotations` attribute (JVMS 4.7.19), which stores declaration annotations on the method parameters of this method that are visible to `class` file consumers but are not visible to core reflection.
`interface`
`RuntimeInvisibleTypeAnnotationsAttribute`
Models the `RuntimeInvisibleTypeAnnotations` attribute (JVMS 4.7.21), which stores type-use annotations for the annotated uses of types in this structure that are visible to `class` file consumers but are not visible to core reflection.
`interface`
`RuntimeVisibleAnnotationsAttribute`
Models the `RuntimeVisibleAnnotations` attribute (JVMS 4.7.16), which stores declaration annotations on this structure that are visible to both `class` file consumers and core reflection.
`interface`
`RuntimeVisibleParameterAnnotationsAttribute`
Models the `RuntimeVisibleParameterAnnotations` attribute (JVMS 4.7.18), which stores declaration annotations on the method parameters of this method that are visible to both `class` file consumers and core reflection.
`interface`
`RuntimeVisibleTypeAnnotationsAttribute`
Models the `RuntimeVisibleTypeAnnotations` attribute (JVMS 4.7.20), which stores type-use annotations for the annotated uses of types in this structure that are visible to both `class` file consumers and core reflection.
`interface`
`SignatureAttribute`
Models the `Signature` attribute (JVMS 4.7.9), which indicates the generic signature of this structure.
`interface`
`SourceDebugExtensionAttribute`
Models the `SourceDebugExtension` attribute (JVMS 4.7.11), which stores arbitrary modified UTF-8 data.
`interface`
`SourceFileAttribute`
Models the `SourceFile` attribute (JVMS 4.7.10), which indicates the name of the source file from which this `class` file was compiled.
`interface`
`SourceIDAttribute`
Models the `SourceID` attribute, which records the last modified time of the source file from which this `class` file was compiled.
`interface`
`StackMapTableAttribute`
Models the `StackMapTable` attribute (JVMS 4.7.4), which is used for verification by type checking (4.10.1).
`interface`
`SyntheticAttribute`
Models the `Synthetic` attribute (JVMS 4.7.8), which marks a class member as implementation-specific artifacts.
`interface`
`UnknownAttribute`
Models an unknown attribute read from a `class` file.

## Uses of ClassFileElement in java.lang.classfile.instruction

Subinterfaces of ClassFileElement in java.lang.classfile.instruction
Modifier and Type
Interface
Description
`interface`
`ArrayLoadInstruction`
Models an array load instruction in the `code` array of a `Code` attribute.
`interface`
`ArrayStoreInstruction`
Models an array store instruction in the `code` array of a `Code` attribute.
`interface`
`BranchInstruction`
Models a branching instruction (conditional or unconditional) in the `code` array of a `Code` attribute.
`interface`
`CharacterRange`
A pseudo-instruction which models a single entry in the `CharacterRangeTable` attribute.
`interface`
`ConstantInstruction`
Models a constant-load instruction in the `code` array of a `Code` attribute, including "intrinsic", "argument", and "load" constant instructions.
`static interface`
`ConstantInstruction.ArgumentConstantInstruction`
Models an "argument constant" instruction, which encodes the constant value in the instruction directly.
`static interface`
`ConstantInstruction.IntrinsicConstantInstruction`
Models an "intrinsic constant" instruction, which encodes the constant value in its opcode.
`static interface`
`ConstantInstruction.LoadConstantInstruction`
Models a "load constant" instruction, which encodes the constant value in the constant pool.
`interface`
`ConvertInstruction`
Models a primitive conversion instruction in the `code` array of a `Code` attribute, such as `i2l`.
`interface`
`DiscontinuedInstruction`
Marker interface for instruction discontinued from the `code` array of a `Code` attribute.
`static interface`
`DiscontinuedInstruction.JsrInstruction`
Models jump subroutine instructions discontinued from the `code` array of a `Code` attribute since class file major version 51 (JVMS 4.9.1).
`static interface`
`DiscontinuedInstruction.RetInstruction`
Models return from subroutine instructions discontinued from the `code` array of a `Code` attribute since class file major version 51 (JVMS 4.9.1).
`interface`
`ExceptionCatch`
A pseudo-instruction modeling an entry in the `exception_table` array of a `Code` attribute.
`interface`
`FieldInstruction`
Models a field access instruction in the `code` array of a `Code` attribute.
`interface`
`IncrementInstruction`
Models a local variable increment instruction in the `code` array of a `Code` attribute.
`interface`
`InvokeDynamicInstruction`
Models a dynamically-computed call site invocation instruction in the `code` array of a `Code` attribute.
`interface`
`InvokeInstruction`
Models a method invocation instruction in the `code` array of a `Code` attribute, other than `invokedynamic`.
`interface`
`LabelTarget`
A pseudo-instruction which indicates that the specified label corresponds to the current position in the `Code` attribute.
`interface`
`LineNumber`
A pseudo-instruction which indicates the code for a given line number starts after the current position in a `Code` attribute.
`interface`
`LoadInstruction`
Models a local variable load instruction in the `code` array of a `Code` attribute.
`interface`
`LocalVariable`
A pseudo-instruction which models a single entry in the `LocalVariableTable` attribute.
`interface`
`LocalVariableType`
A pseudo-instruction which models a single entry in the `LocalVariableTypeTable` attribute.
`interface`
`LookupSwitchInstruction`
Models a `lookupswitch` instruction in the `code` array of a `Code` attribute.
`interface`
`MonitorInstruction`
Models a `monitorenter` or `monitorexit` instruction in the `code` array of a `Code` attribute.
`interface`
`NewMultiArrayInstruction`
Models a `multianewarray` instruction in the `code` array of a `Code` attribute.
`interface`
`NewObjectInstruction`
Models a `new` instruction in the `code` array of a `Code` attribute.
`interface`
`NewPrimitiveArrayInstruction`
Models a `newarray` instruction in the `code` array of a `Code` attribute.
`interface`
`NewReferenceArrayInstruction`
Models a `anewarray` instruction in the `code` array of a `Code` attribute.
`interface`
`NopInstruction`
Models a `nop` instruction in the `code` array of a `Code` attribute.
`interface`
`OperatorInstruction`
Models an arithmetic operator instruction in the `code` array of a `Code` attribute.
`interface`
`ReturnInstruction`
Models a return-from-method instruction in the `code` array of a `Code` attribute.
`interface`
`StackInstruction`
Models a stack manipulation instruction in the `code` array of a `Code` attribute.
`interface`
`StoreInstruction`
Models a local variable store instruction in the `code` array of a `Code` attribute.
`interface`
`TableSwitchInstruction`
Models a `tableswitch` instruction in the `code` array of a `Code` attribute.
`interface`
`ThrowInstruction`
Models an `athrow` instruction in the `code` array of a `Code` attribute.
`interface`
`TypeCheckInstruction`
Models an `instanceof` or a `checkcast` instruction in the `code` array of a `Code` attribute.