package basic.nio;

import java.nio.ByteBuffer;

import java.nio.CharBuffer;

import java.nio.DoubleBuffer;

import java.nio.FloatBuffer;

import java.nio.IntBuffer;

import java.nio.LongBuffer;

import java.nio.ShortBuffer;

/**

* ����������ͼ

*

* @author yangqc 2016/1/21

*/

public class ViewBuffers {

public static void main(String[] args) {

ByteBuffer bb = ByteBuffer

.wrap(new byte[]{0, 0, 0, 0, 0, 0, 0, 'a'});

bb.rewind(); // ���ƻ���������λ�ñ��Ϊ�㣬��������� rewind�᷵��һ��Buffer ��Buffer������

//��ͼ�Լ�ByteBuffer�ij���

System.out.println("Byte Buffer");

while (bb.hasRemaining()) //��֪��ǰλ�ú�����֮���Ƿ���Ԫ��

{

System.out.println(bb.position() + "->" + bb.get() + ", ");

}

System.out.println();

CharBuffer cb = ((ByteBuffer) bb.rewind()).asCharBuffer();

while (cb.hasRemaining()) {

System.out.println(cb.position() + "->" + cb.get() + ", ");

}

System.out.println();

IntBuffer ib = ((ByteBuffer) bb.rewind()).asIntBuffer();

System.out.println("IntBuffer");

while (ib.hasRemaining()) {

System.out.println(ib.position() + "->" + ib.get() + ", ");

}

System.out.println();

FloatBuffer fb = ((ByteBuffer) bb.rewind()).asFloatBuffer();

while (fb.hasRemaining()) {

System.out.println(fb.position() + "->" + fb.get() + ", ");

}

System.out.println();

LongBuffer lb = ((ByteBuffer) bb.rewind()).asLongBuffer();

while (lb.hasRemaining()) {

System.out.println(lb.position() + "->" + lb.get() + ",");

}

System.out.println();

ShortBuffer sb = ((ByteBuffer) bb.rewind()).asShortBuffer();

while (sb.hasRemaining()) {

System.out.println(sb.position() + "->" + sb.get() + ", ");

}

System.out.println();

DoubleBuffer db = ((ByteBuffer) bb.rewind()).asDoubleBuffer();

while (db.hasRemaining()) {

System.out.println(db.position() + "->" + db.get() + ", ");

}

System.out.println();

}

}