GetData.java Source code

Introduction

Here is the source code for GetData.java

Source

// : c12:GetData.java
// Getting different representations from a ByteBuffer
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

import java.nio.ByteBuffer;

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

    public static void main(String[] args) {
        ByteBuffer bb = ByteBuffer.allocate(BSIZE);
        // Allocation automatically zeroes the ByteBuffer:
        int i = 0;
        while (i++ < bb.limit())
            if (bb.get() != 0)
                System.out.println("nonzero");
        System.out.println("i = " + i);
        bb.rewind();
        // Store and read a char array:
        bb.asCharBuffer().put("Howdy!");
        char c;
        while ((c = bb.getChar()) != 0)
            System.out.print(c + " ");
        System.out.println();
        bb.rewind();
        // Store and read a short:
        bb.asShortBuffer().put((short) 471142);
        System.out.println(bb.getShort());
        bb.rewind();
        // Store and read an int:
        bb.asIntBuffer().put(99471142);
        System.out.println(bb.getInt());
        bb.rewind();
        // Store and read a long:
        bb.asLongBuffer().put(99471142);
        System.out.println(bb.getLong());
        bb.rewind();
        // Store and read a float:
        bb.asFloatBuffer().put(99471142);
        System.out.println(bb.getFloat());
        bb.rewind();
        // Store and read a double:
        bb.asDoubleBuffer().put(99471142);
        System.out.println(bb.getDouble());
        bb.rewind();

    }
} ///:~