redirecting.java

来自「Java与面向对象程序设计实验教学讲义.复数类的实现,复数类的复杂运算,身份证号」· Java 代码 · 共 17 行

import java.io.*;
public class Redirecting {
public static void main(String[] args)  throws IOException {
    BufferedInputStream in = new BufferedInputStream(new FileInputStream( "Redirecting.java"));
    PrintStream out = new PrintStream( new 
          BufferedOutputStream( new FileOutputStream("test.out")));
    System.setIn(in);
    System.setOut(out);
    System.setErr(out);
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    String s;
    while((s = br.readLine()) != null)      
        System.out.println(s);
    out.close(); // Remember this!
  }
}