管道流操作

import java.io.IOException;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;

class Send implements Runnable {
    private PipedOutputStream pos = null;

    public Send() {
        this.pos = new PipedOutputStream();
    }

    public void run() {
        String str = "You are my small apple!!!";
        try {
            this.pos.write(str.getBytes());
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            this.pos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public PipedOutputStream getPos() {
        return pos;
    }
}

class Receive implements Runnable {
    private PipedInputStream pis = null;

    public Receive() {
        this.pis = new PipedInputStream();
    }

    public void run() {
        byte b[] = new byte[1024];
        int len = 0;
        try {
            len = this.pis.read(b);
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            this.pis.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        System.out.println("THE CONTENT RECEIVED IS :" + new String(b, 0, len));
    }

    public PipedInputStream getPis() {
        return pis;
    }
}

public class PipedDemo {
    public static void main(String[] args) {
        Send send = new Send();
        Receive receive = new Receive();
        try {
            send.getPos().connect(receive.getPis());
        } catch (IOException e) {
            e.printStackTrace();
        }
        new Thread(send).start();
        new Thread(receive).start();
    }
}