Java管道流PipedStream

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package com.wj.pipedstream;

import java.io.IOException;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
/**
*
* @author wJing
* 管道流
*/
public class PipedStreamDemo {

   public static void main(String[] args) throws Exception {
       PipedInputStream in = new PipedInputStream();
       PipedOutputStream out = new PipedOutputStream();
       in.connect(out);
       read r = new read(in);
       Write w = new Write(out);

       new Thread(r).start();
       new Thread(w).start();
   }

}

class read implements Runnable {
   PipedInputStream pis = null;
   public read(PipedInputStream pis) {
       this.pis = pis;
   }
   @Override
   public void run() {
       try {
           byte [] buf = new byte[1024];
           int len = pis.read(buf);
           String s = new String(buf,0,len);
           System.out.println(s);
           pis.close();
       } catch (IOException e) {
           e.printStackTrace();
       }
   }

}
class Write implements Runnable {
   PipedOutputStream pos = null;
   public Write(PipedOutputStream pos) {
       this.pos = pos;
   }
   @Override
   public void run() {
       try {
           pos.write("abcded".getBytes());
           pos.close();
       } catch (IOException e) {
           e.printStackTrace();
       }
   }

}

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