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Showing content from https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/nio/ByteBuffer.html below:

ByteBuffer (Java SE 24 & JDK 24)

All Implemented Interfaces:

Comparable<ByteBuffer>

Direct Known Subclasses:

MappedByteBuffer

• Method Summary

  Creates a new byte buffer whose content is a shared and aligned subsequence of this buffer's content.

  final int

  Returns the memory address, pointing to the byte at the given index, modulo the given unit size.

  Allocates a new byte buffer.

  Allocates a new direct byte buffer.

  final byte[]

  Returns the byte array that backs this buffer  (optional operation).

  final int

  Returns the offset within this buffer's backing array of the first element of the buffer  (optional operation).

  Creates a view of this byte buffer as a char buffer.

  Creates a view of this byte buffer as a double buffer.

  Creates a view of this byte buffer as a float buffer.

  Creates a view of this byte buffer as an int buffer.

  Creates a view of this byte buffer as a long buffer.

  Creates a new, read-only byte buffer that shares this buffer's content.

  Creates a view of this byte buffer as a short buffer.

  Compacts this buffer  (optional operation).

  int

  Compares this buffer to another.

  Creates a new byte buffer that shares this buffer's content.

  boolean

  Tells whether or not this buffer is equal to another object.

  abstract byte

  Relative bulk get method.

  get(byte[] dst, int offset, int length)

  Relative bulk get method.

  abstract byte

  get(int index, byte[] dst)

  Absolute bulk get method.

  get(int index, byte[] dst, int offset, int length)

  Absolute bulk get method.

  abstract char

  Relative get method for reading a char value.

  abstract char

  Absolute get method for reading a char value.

  abstract double

  Relative get method for reading a double value.

  abstract double

  Absolute get method for reading a double value.

  abstract float

  Relative get method for reading a float value.

  abstract float

  Absolute get method for reading a float value.

  abstract int

  Relative get method for reading an int value.

  abstract int

  Absolute get method for reading an int value.

  abstract long

  Relative get method for reading a long value.

  abstract long

  Absolute get method for reading a long value.

  abstract short

  Relative get method for reading a short value.

  abstract short

  Absolute get method for reading a short value.

  final boolean

  Tells whether or not this buffer is backed by an accessible byte array.

  int

  Returns the current hash code of this buffer.

  abstract boolean

  Tells whether or not this byte buffer is direct.

  Sets this buffer's limit.

  Sets this buffer's mark at its position.

  int

  Finds and returns the relative index of the first mismatch between this buffer and a given buffer.

  Retrieves this buffer's byte order.

  Modifies this buffer's byte order.

  Sets this buffer's position.

  Relative put method  (optional operation).

  Relative bulk put method  (optional operation).

  put(byte[] src, int offset, int length)

  Relative bulk put method  (optional operation).

  Absolute put method  (optional operation).

  put(int index, byte[] src)

  Absolute bulk put method  (optional operation).

  put(int index, byte[] src, int offset, int length)

  Absolute bulk put method  (optional operation).

  Absolute bulk put method  (optional operation).

  Relative bulk put method  (optional operation).

  Relative put method for writing a char value  (optional operation).

  Absolute put method for writing a char value  (optional operation).

  Relative put method for writing a double value  (optional operation).

  Absolute put method for writing a double value  (optional operation).

  Relative put method for writing a float value  (optional operation).

  Absolute put method for writing a float value  (optional operation).

  Relative put method for writing an int value  (optional operation).

  Absolute put method for writing an int value  (optional operation).

  Absolute put method for writing a long value  (optional operation).

  Relative put method for writing a long value  (optional operation).

  Absolute put method for writing a short value  (optional operation).

  Relative put method for writing a short value  (optional operation).

  Resets this buffer's position to the previously-marked position.

  Creates a new byte buffer whose content is a shared subsequence of this buffer's content.

  slice(int index, int length)

  Creates a new byte buffer whose content is a shared subsequence of this buffer's content.

  Returns a string summarizing the state of this buffer.

  Wraps a byte array into a buffer.

  wrap(byte[] array, int offset, int length)

  Wraps a byte array into a buffer.

• Method Details
  • allocateDirect
  • allocate
  • wrap
  • wrap
  • slice
  • slice
  • duplicate
  • asReadOnlyBuffer
  • get
  • put
  • get
  • put
  • get
  • get
  • get
  • get
  • put
  • put
  • put
  • put
  • put
  • put
  • hasArray
  • array
  • arrayOffset
  • position
  • limit
  • mark
  • reset
  • clear
  • flip
  • rewind
  • compact
  • isDirect
  • toString
  • hashCode
  • equals
  • compareTo
  • mismatch
  • order
  • order
  • alignmentOffset
  • alignedSlice
  • getChar
  • putChar
  • getChar
  • putChar
  • asCharBuffer
  • getShort
  • putShort
  • getShort
  • putShort
  • asShortBuffer
  • getInt
  • putInt
  • getInt
  • putInt
  • asIntBuffer
  • getLong
  • putLong
  • getLong
  • putLong
  • asLongBuffer
  • getFloat
  • putFloat
  • getFloat
  • putFloat
  • asFloatBuffer
  • getDouble
  • putDouble
  • getDouble
  • putDouble
  • asDoubleBuffer

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