Java I/O 管道流实现线程间的通讯例子

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Man 线程对 Woman 线程说 I Love You，然后Woman 线程接收并打印出来

import java.io.IOException;import java.io.PipedInputStream;import java.io.PipedOutputStream;/** * 管道输出流，用于输出数据  * @author L.Eric */class Man implements Runnable{private PipedOutputStream pos = new PipedOutputStream();public PipedOutputStream getOutputSteam(){return pos;}@Overridepublic void run() {String data = "I love you";try {pos.write(data.getBytes());} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();} finally {if(pos != null) {try {pos.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}}/** * 管道输入流，用于接收输入的数据 * @author L.Eric * */class Woman implements Runnable{private PipedInputStream pis = new PipedInputStream();public PipedInputStream getIntputStream(){return pis;}@Overridepublic void run() {int len = 0;byte[] buff = new byte[1024];try {while((len = pis.read(buff, 0, buff.length)) != -1) {System.out.println(new String(buff, 0, len));}} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();} finally {if(pis != null) {try {pis.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}}}/** * 管道流用于两个线程之间的通信，交换数据 * Man 线程对 Woman 线程 说 I Love You，然后Woman 线程接收并打印出来 * @author L.Eric * */public class PipedStreamDemo {public static void main(String[] args) throws IOException {Man man = new Man();Woman woman = new Woman();/** * 建立管道 * */woman.getIntputStream().connect(man.getOutputSteam());//启动两个个线程new Thread(man).start();new Thread(woman).start();}}