Java : ShortBuffer with Examples

ShortBuffer (Java SE 22 & JDK 22) in Java with Examples.
You will find code samples for most of the ShortBuffer methods.

Summary

A short buffer.

Class diagram

final var buffer = ShortBuffer.allocate(5);

System.out.println(buffer.capacity()); // 5
System.out.println(buffer.limit()); // 5
System.out.println(buffer.position()); // 0

buffer.put((short) 10);
System.out.println(buffer.position()); // 1

buffer.put((short) 20);
System.out.println(buffer.position()); // 2

buffer.put((short) 30);
System.out.println(buffer.position()); // 3

if (buffer.hasArray()) {
    final var ret = buffer.array();
    System.out.println(Arrays.toString(ret)); // [10, 20, 30, 0, 0]
}

final short[] array = {10, 20, 30};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.capacity()); // 3
System.out.println(buffer.limit()); // 3
System.out.println(buffer.position()); // 0

System.out.println(buffer.get()); // 10
System.out.println(buffer.position()); // 1

System.out.println(buffer.get()); // 20
System.out.println(buffer.position()); // 2

System.out.println(buffer.get()); // 30
System.out.println(buffer.position()); // 3

Methods

static ShortBuffer allocate (int capacity)

Allocates a new short buffer.

final var buffer = ShortBuffer.allocate(5);

System.out.println(buffer.capacity()); // 5
System.out.println(buffer.limit()); // 5
System.out.println(buffer.position()); // 0

if (buffer.hasArray()) {
    final var array = buffer.array();
    System.out.println(Arrays.toString(array)); // [0, 0, 0, 0, 0]
}

final short[] array ()

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

final var buffer = ShortBuffer.allocate(5)
        .put((short) 10)
        .put((short) 20)
        .put((short) 30);

if (buffer.hasArray()) {
    final var array = buffer.array();
    System.out.println(Arrays.toString(array)); // [10, 20, 30, 0, 0]
}

final int arrayOffset ()

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

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

final var sliced = buffer.slice(2, 3);

System.out.println(buffer); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]
if (buffer.hasArray()) {
    System.out.println(buffer.arrayOffset()); // 0
    System.out.println(buffer.get()); // 10
    System.out.println(buffer.get()); // 20
    System.out.println(buffer.get()); // 30
    System.out.println(buffer.get()); // 40
    System.out.println(buffer.get()); // 50
}

System.out.println(sliced); // java.nio.HeapShortBuffer[pos=0 lim=3 cap=3]
if (sliced.hasArray()) {
    System.out.println(sliced.arrayOffset()); // 2
    System.out.println(sliced.get()); // 30
    System.out.println(sliced.get()); // 40
    System.out.println(sliced.get()); // 50
}

abstract ShortBuffer asReadOnlyBuffer ()

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

final var buffer = ShortBuffer.allocate(3);
buffer.put((short) 10);

final var readOnlyBuffer = buffer.asReadOnlyBuffer();

System.out.println(buffer); // java.nio.HeapShortBuffer[pos=1 lim=3 cap=3]
System.out.println(readOnlyBuffer); // java.nio.HeapShortBufferR[pos=1 lim=3 cap=3]

readOnlyBuffer.clear();
System.out.println(readOnlyBuffer.get()); // 10
System.out.println(readOnlyBuffer.get()); // 0
System.out.println(readOnlyBuffer.get()); // 0

buffer.put((short) 20);

readOnlyBuffer.clear();
System.out.println(readOnlyBuffer.get()); // 10
System.out.println(readOnlyBuffer.get()); // 20
System.out.println(readOnlyBuffer.get()); // 0

try {
    var _ = readOnlyBuffer.put((short) 30);
} catch (ReadOnlyBufferException e) {
    System.out.println("ReadOnlyBufferException!");
}

// Result
// ↓
//ReadOnlyBufferException!

final ShortBuffer clear ()

Clears this buffer.

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

buffer.position(2);
buffer.limit(4);

System.out.println(buffer); // java.nio.HeapShortBuffer[pos=2 lim=4 cap=5]

System.out.println(buffer.get()); // 30
System.out.println(buffer.get()); // 40
System.out.println(buffer.hasRemaining()); // false

System.out.println(buffer.clear()); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]

System.out.println(buffer.get()); // 10
System.out.println(buffer.get()); // 20
System.out.println(buffer.get()); // 30
System.out.println(buffer.get()); // 40
System.out.println(buffer.get()); // 50
System.out.println(buffer.hasRemaining()); // false

abstract ShortBuffer compact ()

Compacts this buffer (optional operation).

final short[] array = {10, 20, 30, 40, 50, 60};
final var buffer = ShortBuffer.wrap(array);

buffer.position(3);
System.out.println(buffer.compact()); // java.nio.HeapShortBuffer[pos=3 lim=6 cap=6]

System.out.println(Arrays.toString(array)); // [40, 50, 60, 40, 50, 60]

final short[] array = {10, 20, 30, 40, 50, 60};
final var buffer = ShortBuffer.wrap(array);

buffer.position(2);
System.out.println(buffer.compact()); // java.nio.HeapShortBuffer[pos=4 lim=6 cap=6]

System.out.println(Arrays.toString(array)); // [30, 40, 50, 60, 50, 60]

final short[] array = {10, 20, 30, 40, 50, 60};
final var buffer = ShortBuffer.wrap(array);

buffer.position(4);
System.out.println(buffer.compact()); // java.nio.HeapShortBuffer[pos=2 lim=6 cap=6]

System.out.println(Arrays.toString(array)); // [50, 60, 30, 40, 50, 60]

int compareTo (ShortBuffer that)

Compares this buffer to another.

final var buffer1 = ShortBuffer.allocate(3)
        .put((short) 10)
        .put((short) 20)
        .put((short) 30);

final var buffer2 = ShortBuffer.allocate(3)
        .put((short) 10)
        .put((short) 20)
        .put((short) 30);

buffer1.clear();
buffer2.clear();

System.out.println(buffer1.compareTo(buffer2)); // 0

final var buffer1 = ShortBuffer.allocate(3)
        .put((short) 10)
        .put((short) 20)
        .put((short) 30);

final var buffer2 = ShortBuffer.allocate(3)
        .put((short) 5)
        .put((short) 50)
        .put((short) 500);

final var buffer3 = ShortBuffer.allocate(3)
        .put((short) 30)
        .put((short) 20)
        .put((short) 10);

buffer1.clear();
buffer2.clear();
buffer3.clear();

System.out.println(buffer1.compareTo(buffer2)); // 5
System.out.println(buffer1.compareTo(buffer3)); // -20

abstract ShortBuffer duplicate ()

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

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

buffer.position(1);
buffer.limit(4);

final var duplicated = buffer.duplicate();

System.out.println(buffer); // java.nio.HeapShortBuffer[pos=1 lim=4 cap=5]
System.out.println(duplicated); // java.nio.HeapShortBuffer[pos=1 lim=4 cap=5]

System.out.println(buffer.get()); // 20
System.out.println(buffer.get()); // 30
System.out.println(buffer.get()); // 40

System.out.println(duplicated.get()); // 20
System.out.println(duplicated.get()); // 30
System.out.println(duplicated.get()); // 40

boolean equals (Object ob)

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

final var buffer1 = ShortBuffer.allocate(3)
        .put((short) 10)
        .put((short) 20)
        .put((short) 30);

final var buffer2 = ShortBuffer.allocate(3)
        .put((short) 10)
        .put((short) 20)
        .put((short) 30);

buffer1.clear();
buffer2.clear();

System.out.println(buffer1.equals(buffer2)); // true

final var buffer1 = ShortBuffer.allocate(3)
        .put((short) 10)
        .put((short) 20)
        .put((short) 30);

final var buffer2 = ShortBuffer.allocate(3)
        .put((short) 5)
        .put((short) 50)
        .put((short) 500);

final var buffer3 = ShortBuffer.allocate(3)
        .put((short) 30)
        .put((short) 20)
        .put((short) 10);

buffer1.clear();
buffer2.clear();
buffer3.clear();

System.out.println(buffer1.equals(buffer2)); // false
System.out.println(buffer1.equals(buffer3)); // false

final ShortBuffer flip ()

Flips this buffer.

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.get()); // 10
System.out.println(buffer.get()); // 20
System.out.println(buffer.get()); // 30

System.out.println(buffer); // java.nio.HeapShortBuffer[pos=3 lim=5 cap=5]
System.out.println(buffer.flip()); // java.nio.HeapShortBuffer[pos=0 lim=3 cap=5]

System.out.println(buffer.get()); // 10
System.out.println(buffer.get()); // 20
System.out.println(buffer.get()); // 30

abstract short get ()

Relative get method.

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.capacity()); // 5
System.out.println(buffer.position()); // 0

System.out.println(buffer.get()); // 10
System.out.println(buffer.get()); // 20
System.out.println(buffer.get()); // 30
System.out.println(buffer.get()); // 40
System.out.println(buffer.get()); // 50

System.out.println(buffer.position()); // 5

abstract short get (int index)

Absolute get method.

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.capacity()); // 5
System.out.println(buffer.position()); // 0

System.out.println(buffer.get(0)); // 10
System.out.println(buffer.get(1)); // 20
System.out.println(buffer.get(2)); // 30
System.out.println(buffer.get(3)); // 40
System.out.println(buffer.get(4)); // 50

System.out.println(buffer.position()); // 0

ShortBuffer get (int index, short[] dst)

Absolute bulk get method.

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.capacity()); // 5
System.out.println(buffer.position()); // 0

{
    final var dst = new short[3];
    System.out.println(Arrays.toString(dst)); // [0, 0, 0]

    final var ret = buffer.get(0, dst);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]

    System.out.println(Arrays.toString(dst)); // [10, 20, 30]
    System.out.println(buffer.position()); // 0
}
{
    final var dst = new short[3];
    System.out.println(Arrays.toString(dst)); // [0, 0, 0]

    final var ret = buffer.get(1, dst);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]

    System.out.println(Arrays.toString(dst)); // [20, 30, 40]
    System.out.println(buffer.position()); // 0
}
{
    final var dst = new short[3];
    System.out.println(Arrays.toString(dst)); // [0, 0, 0]

    final var ret = buffer.get(2, dst);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]

    System.out.println(Arrays.toString(dst)); // [30, 40, 50]
    System.out.println(buffer.position()); // 0
}

ShortBuffer get (int index, short[] dst, int offset, int length)

Absolute bulk get method.

final short[] array = {10, 20, 30, 40, 50, 60};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.capacity()); // 6
System.out.println(buffer.position()); // 0

{
    final var dst = new short[5];
    System.out.println(Arrays.toString(dst)); // [0, 0, 0, 0, 0]

    final var ret = buffer.get(0, dst, 0, 3);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=0 lim=6 cap=6]

    System.out.println(Arrays.toString(dst)); // [10, 20, 30, 0, 0]
    System.out.println(buffer.position()); // 0
}
{
    final var dst = new short[5];
    System.out.println(Arrays.toString(dst)); // [0, 0, 0, 0, 0]

    final var ret = buffer.get(2, dst, 1, 3);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=0 lim=6 cap=6]

    System.out.println(Arrays.toString(dst)); // [0, 30, 40, 50, 0]
    System.out.println(buffer.position()); // 0
}
{
    final var dst = new short[5];
    System.out.println(Arrays.toString(dst)); // [0, 0, 0, 0, 0]

    final var ret = buffer.get(4, dst, 3, 2);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=0 lim=6 cap=6]

    System.out.println(Arrays.toString(dst)); // [0, 0, 0, 50, 60]
    System.out.println(buffer.position()); // 0
}

ShortBuffer get (short[] dst)

Relative bulk get method.

final short[] array = {10, 20, 30, 40, 50, 60, 70};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.capacity()); // 7
System.out.println(buffer.position()); // 0

{
    final var dst = new short[3];
    System.out.println(Arrays.toString(dst)); // [0, 0, 0]

    final var ret = buffer.get(dst);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=3 lim=7 cap=7]

    System.out.println(Arrays.toString(dst)); // [10, 20, 30]
    System.out.println(buffer.position()); // 3
}
{
    final var dst = new short[3];
    System.out.println(Arrays.toString(dst)); // [0, 0, 0]

    final var ret = buffer.get(dst);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=6 lim=7 cap=7]

    System.out.println(Arrays.toString(dst)); // [40, 50, 60]
    System.out.println(buffer.position()); // 6
}

try {
    final var dst = new short[3];
    var _ = buffer.get(dst);
} catch (BufferUnderflowException e) {
    System.out.println("BufferUnderflowException!");
}

// Result
// ↓
//BufferUnderflowException!

ShortBuffer get (short[] dst, int offset, int length)

Relative bulk get method.

final short[] array = {10, 20, 30, 40, 50, 60, 70, 80};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.capacity()); // 8
System.out.println(buffer.position()); // 0

{
    final var dst = new short[5];
    System.out.println(Arrays.toString(dst)); // [0, 0, 0, 0, 0]

    final var ret = buffer.get(dst, 0, 3);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=3 lim=8 cap=8]

    System.out.println(Arrays.toString(dst)); // [10, 20, 30, 0, 0]
    System.out.println(buffer.position()); // 3
}
{
    final var dst = new short[5];
    System.out.println(Arrays.toString(dst)); // [0, 0, 0, 0, 0]

    final var ret = buffer.get(dst, 1, 3);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=6 lim=8 cap=8]

    System.out.println(Arrays.toString(dst)); // [0, 40, 50, 60, 0]
    System.out.println(buffer.position()); // 6
}
{
    final var dst = new short[5];
    System.out.println(Arrays.toString(dst)); // [0, 0, 0, 0, 0]

    final var ret = buffer.get(dst, 3, 2);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=8 lim=8 cap=8]

    System.out.println(Arrays.toString(dst)); // [0, 0, 0, 70, 80]
    System.out.println(buffer.position()); // 8
}

final boolean hasArray ()

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

final var buffer = ShortBuffer.allocate(5)
        .put((short) 10)
        .put((short) 20)
        .put((short) 30);

final var ret = buffer.hasArray();
System.out.println(ret); // true

if (ret) {
    final var array = buffer.array();
    System.out.println(Arrays.toString(array)); // [10, 20, 30, 0, 0]
}

final var buffer = ShortBuffer.allocate(5)
        .put((short) 10)
        .put((short) 20)
        .put((short) 30)
        .asReadOnlyBuffer();

System.out.println(buffer.hasArray()); // false
try {
    var _ = buffer.array();
} catch (UnsupportedOperationException e) {
    System.out.println("UnsupportedOperationException!");
}

// Result
// ↓
//UnsupportedOperationException!

int hashCode ()

Returns the current hash code of this buffer.

final var buffer = ShortBuffer.allocate(0);
System.out.println(buffer.hashCode()); // 1

final var buffer = ShortBuffer.allocate(3)
        .put((short) 10)
        .put((short) 20)
        .put((short) 30)
        .clear();

System.out.println(buffer.hashCode()); // 59251

final var buffer = ShortBuffer.allocate(3)
        .put((short) -10)
        .put((short) -20)
        .put((short) -30)
        .clear();

System.out.println(buffer.hashCode()); // 331

abstract boolean isDirect ()

Tells whether or not this short buffer is direct.

final var buffer = ShortBuffer.allocate(5);
System.out.println(buffer.isDirect()); // false

final short[] array = {10, 20, 30};
final var buffer = ShortBuffer.wrap(array);
System.out.println(buffer.isDirect()); // false

final var buffer = ByteBuffer.allocateDirect(12).asShortBuffer();
System.out.println(buffer.isDirect()); // true

final ShortBuffer limit (int newLimit)

Sets this buffer's limit.

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]
System.out.println(buffer.limit()); // 5

System.out.println(buffer.limit(3)); // java.nio.HeapShortBuffer[pos=0 lim=3 cap=5]
System.out.println(buffer.limit()); // 3

System.out.println(buffer.clear()); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]
System.out.println(buffer.limit()); // 5

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.limit(3)); // java.nio.HeapShortBuffer[pos=0 lim=3 cap=5]

System.out.println(buffer.get()); // 10
System.out.println(buffer.get()); // 20
System.out.println(buffer.get()); // 30

try {
    var _ = buffer.get();
} catch (BufferUnderflowException e) {
    System.out.println("BufferUnderflowException!");
}

// Result
// ↓
//BufferUnderflowException!

final ShortBuffer mark ()

Sets this buffer's mark at its position.

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.get()); // 10
System.out.println(buffer.get()); // 20

System.out.println(buffer.position()); // 2
System.out.println(buffer.mark()); // java.nio.HeapShortBuffer[pos=2 lim=5 cap=5]

System.out.println(buffer.get()); // 30
System.out.println(buffer.get()); // 40
System.out.println(buffer.get()); // 50

System.out.println(buffer.position()); // 5
System.out.println(buffer.reset()); // java.nio.HeapShortBuffer[pos=2 lim=5 cap=5]

System.out.println(buffer.get()); // 30
System.out.println(buffer.get()); // 40
System.out.println(buffer.get()); // 50

int mismatch (ShortBuffer that)

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

final short[] array = {10, 20, 30, 40};
final var buffer = ShortBuffer.wrap(array);

{
    final short[] a = {10};
    final var that = ShortBuffer.wrap(a);

    System.out.println(buffer.mismatch(that)); // 1
}
{
    final short[] a = {10, 20};
    final var that = ShortBuffer.wrap(a);

    System.out.println(buffer.mismatch(that)); // 2
}
{
    final short[] a = {10, 20, 30};
    final var that = ShortBuffer.wrap(a);

    System.out.println(buffer.mismatch(that)); // 3
}
{
    final short[] a = {10, 20, 30, 40};
    final var that = ShortBuffer.wrap(a);

    System.out.println(buffer.mismatch(that)); // -1
}
{
    final short[] a = {10, 20, 30, 40, 50};
    final var that = ShortBuffer.wrap(a);

    System.out.println(buffer.mismatch(that)); // 4
}
{
    final short[] a = {10, 20, 999};
    final var that = ShortBuffer.wrap(a); // 2

    System.out.println(buffer.mismatch(that));
}
{
    final short[] a = {-90, -80};
    final var that = ShortBuffer.wrap(a);

    System.out.println(buffer.mismatch(that)); // 0
}

abstract ByteOrder order ()

Retrieves this buffer's byte order.

final var os = System.getProperty("os.name");
System.out.println(os); // Windows 10

final var buffer = ShortBuffer.allocate(5);
System.out.println(buffer.order()); // LITTLE_ENDIAN

final ShortBuffer position (int newPosition)

Sets this buffer's position.

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.position()); // 0

System.out.println(buffer.get()); // 10
System.out.println(buffer.position()); // 1

System.out.println(buffer.get()); // 20
System.out.println(buffer.position()); // 2

System.out.println(buffer.get()); // 30
System.out.println(buffer.position()); // 3

System.out.println(buffer.get()); // 40
System.out.println(buffer.position()); // 4

System.out.println(buffer.get()); // 50
System.out.println(buffer.position()); // 5

System.out.println(buffer.position(3)); // java.nio.HeapShortBuffer[pos=3 lim=5 cap=5]

System.out.println(buffer.get()); // 40
System.out.println(buffer.position()); // 4

System.out.println(buffer.get()); // 50
System.out.println(buffer.position()); // 5

abstract ShortBuffer put (int index, short s)

Absolute put method (optional operation).

final var buffer = ShortBuffer.allocate(5);

System.out.println(buffer.capacity()); // 5
System.out.println(buffer.position()); // 0

System.out.println(buffer.put(0, (short) 10)); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]
System.out.println(buffer.put(1, (short) 20)); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]
System.out.println(buffer.put(2, (short) 30)); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]
System.out.println(buffer.put(3, (short) 40)); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]
System.out.println(buffer.put(4, (short) 50)); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]

System.out.println(buffer.position()); // 0

if (buffer.hasArray()) {
    final var array = buffer.array();
    System.out.println(Arrays.toString(array)); // [10, 20, 30, 40, 50]
}

ShortBuffer put (int index, short[] src)

Absolute bulk put method (optional operation).

final var buffer = ShortBuffer.allocate(6);

System.out.println(buffer.capacity()); // 6
System.out.println(buffer.position()); // 0

{
    final short[] src = {10};

    final var ret = buffer.put(0, src);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=0 lim=6 cap=6]
}
{
    final short[] src = {20, 30};

    final var ret = buffer.put(1, src);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=0 lim=6 cap=6]
}
{
    final short[] src = {40, 50, 60};

    final var ret = buffer.put(3, src);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=0 lim=6 cap=6]
}

System.out.println(buffer.position()); // 0

if (buffer.hasArray()) {
    final var array = buffer.array();
    System.out.println(Arrays.toString(array)); // [10, 20, 30, 40, 50, 60]
}

ShortBuffer put (int index, short[] src, int offset, int length)

Absolute bulk put method (optional operation).

final var array = new short[6];
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.capacity()); // 6
System.out.println(buffer.position()); // 0

final short[] src = {10, 20, 30, 40, 50, 60};

final var ret1 = buffer.put(0, src, 0, 1);
System.out.println(ret1); // java.nio.HeapShortBuffer[pos=0 lim=6 cap=6]
System.out.println(Arrays.toString(array)); // [10, 0, 0, 0, 0, 0]

final var ret2 = buffer.put(1, src, 1, 2);
System.out.println(ret2); // java.nio.HeapShortBuffer[pos=0 lim=6 cap=6]
System.out.println(Arrays.toString(array)); // [10, 20, 30, 0, 0, 0]

final var ret3 = buffer.put(3, src, 3, 3);
System.out.println(ret3); // java.nio.HeapShortBuffer[pos=0 lim=6 cap=6]
System.out.println(Arrays.toString(array)); // [10, 20, 30, 40, 50, 60]

System.out.println(buffer.position()); // 0

ShortBuffer put (int index, ShortBuffer src, int offset, int length)

Absolute bulk put method (optional operation).

final var array = new short[6];
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.capacity()); // 6
System.out.println(buffer.position()); // 0

final short[] srcArray = {10, 20, 30, 40, 50, 60};
final var src = ShortBuffer.wrap(srcArray);

final var ret1 = buffer.put(0, src, 0, 1);
System.out.println(ret1); // java.nio.HeapShortBuffer[pos=0 lim=6 cap=6]
System.out.println(Arrays.toString(array)); // [10, 0, 0, 0, 0, 0]

final var ret2 = buffer.put(1, src, 1, 2);
System.out.println(ret2); // java.nio.HeapShortBuffer[pos=0 lim=6 cap=6]
System.out.println(Arrays.toString(array)); // [10, 20, 30, 0, 0, 0]

final var ret3 = buffer.put(3, src, 3, 3);
System.out.println(ret3); // java.nio.HeapShortBuffer[pos=0 lim=6 cap=6]
System.out.println(Arrays.toString(array)); // [10, 20, 30, 40, 50, 60]

System.out.println(buffer.position()); // 0

abstract ShortBuffer put (short s)

Relative put method (optional operation).

final var buffer = ShortBuffer.allocate(5);

System.out.println(buffer.capacity()); // 5
System.out.println(buffer.position()); // 0

System.out.println(buffer.put((short) 10)); // java.nio.HeapShortBuffer[pos=1 lim=5 cap=5]
System.out.println(buffer.put((short) 20)); // java.nio.HeapShortBuffer[pos=2 lim=5 cap=5]
System.out.println(buffer.put((short) 30)); // java.nio.HeapShortBuffer[pos=3 lim=5 cap=5]
System.out.println(buffer.put((short) 40)); // java.nio.HeapShortBuffer[pos=4 lim=5 cap=5]
System.out.println(buffer.put((short) 50)); // java.nio.HeapShortBuffer[pos=5 lim=5 cap=5]

System.out.println(buffer.position()); // 5

if (buffer.hasArray()) {
    final var array = buffer.array();
    System.out.println(Arrays.toString(array)); // [10, 20, 30, 40, 50]
}

final ShortBuffer put (short[] src)

Relative bulk put method (optional operation).

final var buffer = ShortBuffer.allocate(6);

System.out.println(buffer.capacity()); // 6
System.out.println(buffer.position()); // 0

{
    final short[] src = {10};

    final var ret = buffer.put(src);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=1 lim=6 cap=6]
}
{
    final short[] src = {20, 30};

    final var ret = buffer.put(src);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=3 lim=6 cap=6]
}
{
    final short[] src = {40, 50, 60};

    final var ret = buffer.put(src);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=6 lim=6 cap=6]
}

System.out.println(buffer.position()); // 6

if (buffer.hasArray()) {
    final var array = buffer.array();
    System.out.println(Arrays.toString(array)); // [10, 20, 30, 40, 50, 60]
}

ShortBuffer put (short[] src, int offset, int length)

Relative bulk put method (optional operation).

final var array = new short[6];
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.capacity()); // 6
System.out.println(buffer.position()); // 0

final short[] src = {10, 20, 30, 40, 50, 60};

final var ret1 = buffer.put(src, 0, 1);
System.out.println(ret1); // java.nio.HeapShortBuffer[pos=1 lim=6 cap=6]
System.out.println(Arrays.toString(array)); // [10, 0, 0, 0, 0, 0]

final var ret2 = buffer.put(src, 1, 2);
System.out.println(ret2); // java.nio.HeapShortBuffer[pos=3 lim=6 cap=6]
System.out.println(Arrays.toString(array)); // [10, 20, 30, 0, 0, 0]

final var ret3 = buffer.put(src, 3, 3);
System.out.println(ret3); // java.nio.HeapShortBuffer[pos=6 lim=6 cap=6]
System.out.println(Arrays.toString(array)); // [10, 20, 30, 40, 50, 60]

System.out.println(buffer.position()); // 6

ShortBuffer put (ShortBuffer src)

Relative bulk put method (optional operation).

final var buffer = ShortBuffer.allocate(5);

System.out.println(buffer.capacity()); // 5
System.out.println(buffer.position()); // 0

{
    final short[] array = {10, 20};
    final var src = ShortBuffer.wrap(array);

    final var ret = buffer.put(src);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=2 lim=5 cap=5]
}
{
    final short[] array = {30, 40, 50};
    final var src = ShortBuffer.wrap(array);

    final var ret = buffer.put(src);
    System.out.println(ret); // java.nio.HeapShortBuffer[pos=5 lim=5 cap=5]
}

System.out.println(buffer.position()); // 5

if (buffer.hasArray()) {
    final var array = buffer.array();
    System.out.println(Arrays.toString(array)); // [10, 20, 30, 40, 50]
}

final ShortBuffer reset ()

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

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.get()); // 10
System.out.println(buffer.get()); // 20

System.out.println(buffer.position()); // 2
System.out.println(buffer.mark()); // java.nio.HeapShortBuffer[pos=2 lim=5 cap=5]

System.out.println(buffer.get()); // 30
System.out.println(buffer.get()); // 40
System.out.println(buffer.get()); // 50

System.out.println(buffer.position()); // 5
System.out.println(buffer.reset()); // java.nio.HeapShortBuffer[pos=2 lim=5 cap=5]

System.out.println(buffer.get()); // 30
System.out.println(buffer.get()); // 40
System.out.println(buffer.get()); // 50

final ShortBuffer rewind ()

Rewinds this buffer.

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

buffer.position(2);
buffer.limit(4);

System.out.println(buffer.position()); // 2
System.out.println(buffer.limit()); // 4

System.out.println(buffer.rewind()); // java.nio.HeapShortBuffer[pos=0 lim=4 cap=5]

System.out.println(buffer.position()); // 0
System.out.println(buffer.limit()); // 4

abstract ShortBuffer slice ()

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

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

buffer.position(1);
buffer.limit(4);

final var sliced = buffer.slice();

System.out.println(buffer); // java.nio.HeapShortBuffer[pos=1 lim=4 cap=5]
System.out.println(sliced); // java.nio.HeapShortBuffer[pos=0 lim=3 cap=3]

System.out.println(buffer.get()); // 20
System.out.println(buffer.get()); // 30
System.out.println(buffer.get()); // 40
System.out.println(buffer.hasRemaining()); // false

System.out.println(sliced.get()); // 20
System.out.println(sliced.get()); // 30
System.out.println(sliced.get()); // 40
System.out.println(sliced.hasRemaining()); // false

abstract ShortBuffer slice (int index, int length)

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

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

final var sliced = buffer.slice(2, 3);

System.out.println(buffer); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]
System.out.println(sliced); // java.nio.HeapShortBuffer[pos=0 lim=3 cap=3]

System.out.println(buffer.get()); // 10
System.out.println(buffer.get()); // 20
System.out.println(buffer.get()); // 30
System.out.println(buffer.get()); // 40
System.out.println(buffer.get()); // 50
System.out.println(buffer.hasRemaining()); // false

System.out.println(sliced.get()); // 30
System.out.println(sliced.get()); // 40
System.out.println(sliced.get()); // 50
System.out.println(sliced.hasRemaining()); // false

String toString ()

Returns a string summarizing the state of this buffer.

final var buffer = ShortBuffer.allocate(5)
        .limit(4)
        .position(2);

System.out.println(buffer.capacity()); // 5
System.out.println(buffer.limit()); // 4
System.out.println(buffer.position()); // 2

final var str1 = buffer.toString();
System.out.println(str1); // java.nio.HeapShortBuffer[pos=2 lim=4 cap=5]

buffer.clear();

final var str2 = buffer.toString();
System.out.println(str2); // java.nio.HeapShortBuffer[pos=0 lim=5 cap=5]

static ShortBuffer wrap (short[] array)

Wraps a short array into a buffer.

final short[] array = {10, 20, 30, 40, 50};
final var buffer = ShortBuffer.wrap(array);

System.out.println(buffer.capacity()); // 5
System.out.println(buffer.limit()); // 5
System.out.println(buffer.position()); // 0

if (buffer.hasArray()) {
    System.out.println(buffer.arrayOffset()); // 0

    System.out.println(buffer.get()); // 10
    System.out.println(buffer.get()); // 20
    System.out.println(buffer.get()); // 30
    System.out.println(buffer.get()); // 40
    System.out.println(buffer.get()); // 50
}

static ShortBuffer wrap (short[] array, int offset, int length)

Wraps a short array into a buffer.

final short[] array = {10, 20, 30, 40, 50, 60, 70};
final var buffer = ShortBuffer.wrap(array, 2, 4);

System.out.println(buffer.capacity()); // 7
System.out.println(buffer.limit()); // 6
System.out.println(buffer.position()); // 2

if (buffer.hasArray()) {
    System.out.println(buffer.arrayOffset()); // 0

    System.out.println(buffer.get()); // 30
    System.out.println(buffer.get()); // 40
    System.out.println(buffer.get()); // 50
    System.out.println(buffer.get()); // 60
}

Methods declared in Buffer

capacity, hasRemaining, isReadOnly, limit, position, remaining

Please see the link below.

Buffer with Examples

API Examples
- Buffer

Java : ShortBuffer with Examples

Summary

Methods

static ShortBuffer allocate (int capacity)

final short[] array ()

final int arrayOffset ()

abstract ShortBuffer asReadOnlyBuffer ()

final ShortBuffer clear ()

abstract ShortBuffer compact ()

int compareTo (ShortBuffer that)

abstract ShortBuffer duplicate ()

boolean equals (Object ob)

final ShortBuffer flip ()

abstract short get ()

abstract short get (int index)

ShortBuffer get (int index, short[] dst)

ShortBuffer get (int index, short[] dst, int offset, int length)

ShortBuffer get (short[] dst)

ShortBuffer get (short[] dst, int offset, int length)

final boolean hasArray ()

int hashCode ()

abstract boolean isDirect ()

final ShortBuffer limit (int newLimit)

final ShortBuffer mark ()

int mismatch (ShortBuffer that)

abstract ByteOrder order ()

final ShortBuffer position (int newPosition)

abstract ShortBuffer put (int index, short s)

ShortBuffer put (int index, short[] src)

ShortBuffer put (int index, short[] src, int offset, int length)

ShortBuffer put (int index, ShortBuffer src, int offset, int length)

abstract ShortBuffer put (short s)

final ShortBuffer put (short[] src)

ShortBuffer put (short[] src, int offset, int length)

ShortBuffer put (ShortBuffer src)

final ShortBuffer reset ()

final ShortBuffer rewind ()

abstract ShortBuffer slice ()

abstract ShortBuffer slice (int index, int length)

String toString ()

static ShortBuffer wrap (short[] array)

static ShortBuffer wrap (short[] array, int offset, int length)

Methods declared in Buffer

capacity, hasRemaining, isReadOnly, limit, position, remaining

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