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【Java】多线程的交替执行

作者:汶纡 / 发布于2014/11/18/ 380


	package com.thread;
	
	
	public class ThreadTest implements Runnable {
	
	
	
	public void run() {
	int j = 0;
	while (true) {
	
	try {
	synchronized (this) {
	if (j == 5) {
	j = 0;
	Tmp.getA().setOnoff(true);
	Tmp.getA().Notify();
	wait();
	}
	Thread.sleep(100);
	}
	} catch (InterruptedException e) {
	e.printStackTrace();
	}
	System.out.println("XX+++"+j);
	j++;
	}
	}
	
	
	
	
	public synchronized void Notify() {
	notify();
	}
	
	public static void main(String[] args) {
	
	ThreadA A = new ThreadA();
	Thread testA = new Thread(A);
	testA.start();
	
	ThreadTest B = new ThreadTest();
	Thread testB = new Thread(B);
	testB.start();
	
	Tmp tmp = new Tmp();
	tmp.setB(B);
	tmp.setA(A);
	
	
	}
	
	
	}
	
	
	class Tmp {
	private static ThreadTest B;
	private static ThreadA A;
	
	public static ThreadA getA() {
	return A;
	}
	
	
	public static void setA(ThreadA a) {
	A = a;
	}
	
	
	public static ThreadTest getB() {
	return B;
	}
	
	
	public static void setB(ThreadTest b) {
	B = b;
	}
	}
	
	
	class ThreadA implements Runnable {
	
	
	boolean Onoff = false;
	
	
	public boolean setOnoff(boolean LnKai) {
	return Onoff = LnKai;
	}
	
	
	public synchronized void Notify() {
	notify();
	}
	
	
	
	public void run() {
	int j = 0;
	while (true) {
	
	while (Onoff) {
	
	try {
	synchronized (this) {
	if (j == 5) {
	j=0;
	Onoff = false;
	Tmp.getB().Notify();
	wait();
	}
	Thread.sleep(500);
	}
	} catch (InterruptedException e) {
	e.printStackTrace();
	}
	System.out.println("YY---"+j);
	j++;
	
	}
	}
	
	
	}
	}
	结果:
	XX+++0
	XX+++1
	XX+++2
	XX+++3
	XX+++4
	YY---0
	YY---1
	YY---2
	YY---3
	YY---4
	XX+++0
	XX+++1
	XX+++2
	XX+++3
	XX+++4
	YY---0
	YY---1
	YY---2
	YY---3
	YY---4
	XX+++0
	XX+++1
	XX+++2
	XX+++3
	XX+++4
	YY---0
	YY---1
	YY---2
	YY---3
	YY---4

试试其它关键字

　多线程　　交替执行　

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