newioexample1.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 NewIOExample1
{
	public static void main(String args[])
	{
		char c[] = {'a', 'b', 'c', 'd', 'e'};
		CharBuffer b = CharBuffer.allocate(10);
		
		System.out.println("Before put data...");
		print(b);
		
		b.put(c);		
		System.out.println("Afert put data...");
		print(b);
		
		System.out.println("Before flip get data at position 7");
		System.out.println("Read '"+b.get(7)+"'");
		print(b);

		System.out.println("After flip");
		b.flip();
		print(b);
		System.out.println("Get data at position 7");
		System.out.println("Read '"+b.get(7)+"'");
	}
	
	public static void print(Buffer b)
	{
		System.out.println("\tPosition: "+b.position());
		System.out.println("\t   Limit: "+b.limit());
		System.out.println("\tCapacity: "+b.capacity());
	}
}