## Uses of Class
java.nio.DoubleBuffer

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

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

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

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

Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2026, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.