Getting Different Representations from a ByteBuffer

package com.bruceeckel;
 
//: 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();
 
    }
}