bufferedwriterdemo.java

JAVA编程思想源代码 值得一下 很难找的

package chapter10;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class BufferedWriterDemo {

	
	public static void main(String[] args) {
		try
		  {
		   FileWriter fw=new FileWriter("C:\\test.txt");
		   BufferedWriter bw=new BufferedWriter(fw);
		   bw.write("这是一个BufferedWriter的例子");
		   bw.newLine();
		   bw.write("读者可以尝试使用BufferedWriter继续编程");
		   bw.newLine();
		  	   
		   bw.flush();
		   fw.close();
		   
		   FileReader fr=new FileReader("C:\\test.txt");
		   BufferedReader br=new BufferedReader(fr);
		   String line=br.readLine();
		   while (line!=null)
		   {
		    System.out.println(line);
		    line=br.readLine();
		   }
		   
		   br.close();
		   fr.close();
		  }
		  catch(IOException e)
		  {
		   System.out.println("文件不存在");
		  }


	}

}