java 管道流

 1 package hjw;
 2 import java.io.IOException;
 3 import java.io.PipedInputStream;
 4 import java.io.PipedOutputStream;
 5 class Send implements Runnable{
 6     private PipedOutputStream pos=null;
 7     public Send(){
 8         this.pos=new PipedOutputStream();
 9     }
10     public void run(){
11         String str="Hello,World!";
12         try{
13             this.pos.write(str.getBytes());
14         } catch (IOException e){
15             e.printStackTrace();
16         }
17         try{
18             this.pos.close();
19         }catch (IOException r){
20             r.printStackTrace();
21         }
22         
23     }
24     public PipedOutputStream getPos(){
25         return pos;
26     }
27 }
28 class Receive implements Runnable{
29     private PipedInputStream pis=null;
30     public Receive(){
31         this.pis=new PipedInputStream();
32     }
33     public void run(){
34         byte b[]=new byte[1024];
35         int len=0;
36         try{
37             len=this.pis.read(b);
38         }catch (IOException e){
39             e.printStackTrace();
40         }
41         try{
42             this.pis.close();
43         } catch (IOException e){
44             e.printStackTrace();
45         }
46         System.out.println("接收的内容为:"+new String(b,0,len));
47     }
48     public PipedInputStream getPis(){
49         return pis;
50     }
51 }
52 public class PipedStreamDemo {
53     public static void main(String[] args) {
54         Send s=new Send();
55         Receive r=new Receive();
56         try{
57             s.getPos().connect(r.getPis());
58         }catch (IOException e){
59             e.printStackTrace();
60         }
61         new Thread(s).start();
62         new Thread(r).start();
63     }
64 }