管道与线程

 

import java.io.*;
class PipedStreamTest
{
 public static void main(String[] args)
 {
  PipedOutputStream pos=new PipedOutputStream();
  PipedInputStream pis=new PipedInputStream();
  try
  {
   pos.connect(pis);
   new Producer(pos).start();
   new Consumer(pis).start();
  }
  catch(Exception e)
  {
   e.printStackTrace();
  }
  
 }
}

class Producer extends Thread
{
 private PipedOutputStream pos;
 public Producer(PipedOutputStream pos)
 {
  this.pos=pos;
 }
 public void run()
 {
  try
  {
   pos.write("Hello,welcome you!".getBytes());
   pos.close();
  }
  catch(Exception e)
  {
   e.printStackTrace();
  }
 }
}

class Consumer extends Thread
{
 private PipedInputStream pis;
 public Consumer(PipedInputStream pis)
 {
  this.pis=pis;
 }
 public void run()
 {
  try
  {
   byte[] buf=new byte[100];
   int len=pis.read(buf);
   System.out.println(new String(buf,0,len));
   pis.close();
  }
  catch(Exception e)
  {
   e.printStackTrace();
  }
 }
}