import java.nio.ByteBuffer;

import java.nio.ByteOrder;

import java.nio.CharBuffer;

public class ByteOrdering{

public static void main(String[] args){

ByteBuffer buffer = ByteBuffer.allocate(5);

buffer.put((byte)1).put((byte)2).put((byte)3).put((byte)4);

buffer.flip();

System.out.println("ByteBuffer reading with byte order: " + buffer.order());

while(buffer.hasRemaining()){

System.out.println("Element at position " + buffer.position() + " : " + buffer.get());

}

System.out.println();

buffer.flip();

CharBuffer charBuf = buffer.asCharBuffer();

System.out.println("charBuf byte order: " + charBuf.order());

while(charBuf.hasRemaining()){

System.out.println("charBuf element's int value at position " + charBuf.position() + " : " + (int)(charBuf.get()));

}

System.out.println();

// set the byte buffer order to be little endian.

buffer.order(ByteOrder.LITTLE_ENDIAN);

CharBuffer charBuf2 = buffer.asCharBuffer();

System.out.println("ByteBuffer reading with byte order: " + buffer.order());

while(buffer.hasRemaining()){

System.out.println("Element at position " + buffer.position() + " : " + buffer.get());

// single byte read, byte order does not matter here.

}

System.out.println();

System.out.println("charBuf2 byte order: " + charBuf2.order());

while(charBuf2.hasRemaining()){

System.out.println("charBuf2 element's int value at position " + charBuf2.position() + " : " + (int)(charBuf2.get()));

// multi-byte read, where the byte order does matter.

}

}

}