package ConsoleApplication1;
import *;
import java.util.*;

class Sender extends Thread{
    private PipedOutputStream out = new PipedOutputStream();
    public PipedOutputStream getPipedOutputStream() {
        return out;
    }


public void run(){
  try{
   for(int i=-127;i<=128;i++){
   out.write(i);
       yield();
   }
out.close();
}catch(Exception e){
   throw new RuntimeException(e);
}
}
}

public class Receiver extends Thread {
private PipedInputStream in;
public Receiver(Sender sender) throws IOException{
    in = new PipedInputStream(sender.getPipedOutputStream());
}
    public void run() {
    try{
        int date;
        while((date=in.read())!=-1)
        System.out.println(date);
            in.close();
        }catch(Exception e){
        throw new RuntimeException(e);
        }
}
    public static void main(String args[])throws Exception {
        Sender sender = new Sender();
        Receiver reveiver = new Receiver(sender);
        sender.start();
        reveiver.start();

    }
}

不知道为什么在Viusal studio2005下编译就有问题。