java编程 中流对象选取规律详解

实例如下：

import java.io.*;
public class TransStreamDemo2 {


public static void main(String[] args) throws IOException{
// TODO Auto-generated method stub
 BufferedReader bufr=new BufferedReader(new InputStreamReader(new FileInputStream("d://wdl.txt")));
//
 BufferedWriter bufw=new BufferedWriter(new OutputStreamWriter(new FileOutputStream("d://wdl.txt")));
 BufferedWriter bufw=new BufferedWriter(new OutputStreamWriter(System.out));
 
 String line=null;
 
 while((line=bufr.readLine())!=null){
 if("over".equals(line))
 break;
 bufw.write(line.toUpperCase());
 bufw.newline();
//
 System.out.println(line.toUpperCase());
 bufw.flush();
 }
 bufr.close();
 bufw.close();
}

}

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