Example usage for java.nio ByteBuffer allocate

Introduction

In this page you can find the example usage for java.nio ByteBuffer allocate.

Prototype

public static ByteBuffer allocate(int capacity)

Source Link

Document

Creates a byte buffer based on a newly allocated byte array.

Usage

From source file:Main.java

public static void main(String[] argv) throws Exception {
    ByteBuffer bbuf = ByteBuffer.allocate(10);
    int capacity = bbuf.capacity(); // 10
    System.out.println(capacity);
    bbuf.put("java2s.com".getBytes(), 0, 2);
    System.out.println(Arrays.toString(bbuf.array()));
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    ByteBuffer buf = ByteBuffer.allocate(15);

    FloatBuffer fbuf = buf.asFloatBuffer();

}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    ByteBuffer buf = ByteBuffer.allocate(15);

    ShortBuffer sbuf = buf.asShortBuffer();

}

From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);

    bb.asDoubleBuffer().put(99471142);//from   w w w  .  j a v  a2  s.c o m
    System.out.println(bb.getDouble());

}

From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);

    bb.asFloatBuffer().put(994.7F);//  w w w .  jav  a 2 s .c om
    bb.rewind();
    System.out.println(bb.getFloat());
}

From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);

    bb.asDoubleBuffer().put(9947.1142);// w ww  .j a  va  2 s .co  m
    System.out.println(bb.getDouble(0));

}

From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);
    bb.asLongBuffer().put(99472342341142L);
    bb.rewind();/*from   ww w .  ja v a2  s.com*/
    System.out.println(bb.getLong());

}

From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);

    bb.asDoubleBuffer().put(9947.1142);/* w w  w. j a va2  s  .  co m*/
    System.out.println(bb.getDouble());

}

From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);
    bb.asCharBuffer().put("java2s.com");
    char c = bb.getChar(1);
    System.out.print(c + " ");

}

From source file:Main.java

public static void main(String[] args) {
    ByteBuffer bb = ByteBuffer.allocate(BSIZE);

    bb.asShortBuffer().put((short) 471142);
    System.out.println(bb.getShort(0));

}