## Uses of Class
java.util.OptionalInt

Packages that use OptionalInt
java.lang: Provides classes that are fundamental to the design of the Java programming language.
java.util: Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).
java.util.stream: Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.

### Uses of OptionalInt in java.lang

Methods in java.lang that return OptionalInt
`OptionalInt` StackWalker.StackFrame.`getLineNumber()` Returns the line number of the source line containing the execution point represented by this stack frame.

### Uses of OptionalInt in java.util

Methods in java.util that return OptionalInt
`static OptionalInt` OptionalInt.`empty()` Returns an empty `OptionalInt` instance.
`static OptionalInt` OptionalInt.`of(int value)` Returns an `OptionalInt` describing the given value.

### Uses of OptionalInt in java.util.stream

Methods in java.util.stream that return OptionalInt
`OptionalInt` IntStream.`findAny()` Returns an `OptionalInt` describing some element of the stream, or an empty `OptionalInt` if the stream is empty.
`OptionalInt` IntStream.`findFirst()` Returns an `OptionalInt` describing the first element of this stream, or an empty `OptionalInt` if the stream is empty.
`OptionalInt` IntStream.`max()` Returns an `OptionalInt` describing the maximum element of this stream, or an empty optional if this stream is empty.
`OptionalInt` IntStream.`min()` Returns an `OptionalInt` describing the minimum element of this stream, or an empty optional if this stream is empty.
`OptionalInt` IntStream.`reduce(IntBinaryOperator op)` Performs a reduction on the elements of this stream, using an associative accumulation function, and returns an `OptionalInt` describing the reduced value, if any.