Uses of Class java.nio.LongBuffer (Java Platform SE 8 )
Date: 2026-08-19

## Uses of Class
java.nio.LongBuffer

- Packages that use LongBuffer
  Package | Description
  --- | ---
  java.nio | Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
  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).

- - ### Uses of LongBuffer in java.nio

    Methods in java.nio that return LongBuffer
    Modifier and Type | Method and Description
    --- | ---
    `static LongBuffer` | LongBuffer.`allocate(int capacity)` Allocates a new long buffer.
    `abstract LongBuffer` | ByteBuffer.`asLongBuffer()` Creates a view of this byte buffer as a long buffer.
    `abstract LongBuffer` | LongBuffer.`asReadOnlyBuffer()` Creates a new, read-only long buffer that shares this buffer's content.
    `abstract LongBuffer` | LongBuffer.`compact()` Compacts this buffer (optional operation).
    `abstract LongBuffer` | LongBuffer.`duplicate()` Creates a new long buffer that shares this buffer's content.
    `LongBuffer` | LongBuffer.`get(long[] dst)` Relative bulk get method.
    `LongBuffer` | LongBuffer.`get(long[] dst, int offset, int length)` Relative bulk get method.
    `abstract LongBuffer` | LongBuffer.`put(int index, long l)` Absolute put method (optional operation).
    `abstract LongBuffer` | LongBuffer.`put(long l)` Relative put method (optional operation).
    `LongBuffer` | LongBuffer.`put(long[] src)` Relative bulk put method (optional operation).
    `LongBuffer` | LongBuffer.`put(long[] src, int offset, int length)` Relative bulk put method (optional operation).
    `LongBuffer` | LongBuffer.`put(LongBuffer src)` Relative bulk put method (optional operation).
    `abstract LongBuffer` | LongBuffer.`slice()` Creates a new long buffer whose content is a shared subsequence of this buffer's content.
    `static LongBuffer` | LongBuffer.`wrap(long[] array)` Wraps a long array into a buffer.
    `static LongBuffer` | LongBuffer.`wrap(long[] array, int offset, int length)` Wraps a long array into a buffer.

    Methods in java.nio with parameters of type LongBuffer
    Modifier and Type | Method and Description
    --- | ---
    `int` | LongBuffer.`compareTo(LongBuffer that)` Compares this buffer to another.
    `LongBuffer` | LongBuffer.`put(LongBuffer src)` Relative bulk put method (optional operation).

  - ### Uses of LongBuffer in java.util

    Methods in java.util with parameters of type LongBuffer
    Modifier and Type | Method and Description
    --- | ---
    `static BitSet` | BitSet.`valueOf(LongBuffer lb)` Returns a new bit set containing all the bits in the given long buffer between its position and limit.

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