newioexample3.java

JAVA SE6 全方位学习 朱仲杰 编著 机械工业出版社出版

import java.nio.*;

public class NewIOExample3
{
	public static void main(String args[])
	{
		char c[] = {'a', 'b', 'c', 'd', 'e'};
		CharBuffer b1 = CharBuffer.allocate(10);
		
		b1.put(c);	
		b1.flip();
		b1.position(2);
		CharBuffer b2 = b1.duplicate();
		b2.position(3);
		print(b1);
		print(b2);
		
		b1.put(1, 'x');
		System.out.println("Data: "+b2.get(1));
	}
	
	public static void print(Buffer b)
	{
		System.out.println("Position: "+b.position());
		System.out.println("   Limit: "+b.limit());
		System.out.println("Capacity: "+b.capacity());
	}
}