IntBufferDemo.java Source code

Introduction

Here is the source code for IntBufferDemo.java

Source

// : c12:IntBufferDemo.java
// Manipulating ints in a ByteBuffer with an IntBuffer
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

import java.nio.ByteBuffer;
import java.nio.IntBuffer;

public class IntBufferDemo {
    private static final int BSIZE = 1024;

    public static void main(String[] args) {
        ByteBuffer bb = ByteBuffer.allocate(BSIZE);
        IntBuffer ib = bb.asIntBuffer();
        // Store an array of int:
        ib.put(new int[] { 11, 42, 47, 99, 143, 811, 1016 });
        // Absolute location read and write:
        System.out.println(ib.get(3));
        ib.put(3, 1811);
        ib.rewind();
        while (ib.hasRemaining()) {
            int i = ib.get();
            if (i == 0)
                break; // Else we'll get the entire buffer
            System.out.println(i);
        }

    }
} ///:~