stringnodetest.java

疯狂Java讲义_源码(含Java设计模式CHM

import java.io.*;

/**
 * Description:
 * <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [e-mail]
 * @version  1.0
 */
public class StringNodeTest
{
	public static void main(String[] args) 
	{
		String src = "从明天起，做一个幸福的人\n"
			+ "喂马，劈柴，周游世界\n"
			+ "从明天起，关心粮食和蔬菜\n"
			+ "我有一所房子，面朝大海，春暖花开\n"
			+ "从明天起，和每一个亲人通信\n"
			+ "告诉他们我的幸福\n";
		StringReader sr = new StringReader(src);
		char[] buffer = new char[32];
		int hasRead = 0;
		try
		{
			//采用循环读取的访问读取字符串
			while((hasRead = sr.read(buffer)) > 0)
			{
				System.out.print(new String(buffer ,0 , hasRead));
			}
		}
		catch (IOException ioe)
		{
			ioe.printStackTrace();
		}
		finally
		{
			sr.close();
		}
		//创建StringWriter时，实际上以一个StringBuffer作为输出节点
		//下面指定的20就是StringBuffer的初始长度
		StringWriter sw = new StringWriter(20); 
		//调用StringWriter的方法执行输出
		sw.write("我远离了大海，\n");
		sw.write("看不到春暖花开,\n");
		sw.write("我只有一只小龟，\n");
		sw.write("一样可以闻到馥郁花香\n");
		System.out.println("------下面是sw的字符串节点里的内容------:");
		//使用toString方法返回StringWriter的字符串节点的内容
		System.out.println(sw.toString());
	}
}