使用synchronized 及 Object對象的wait()和notifyAll()方法, Code如下

package com.shiwei.thread;public class OddEvenRunable {private static Object lock = new Object();public static void main(String[] args) {PrintNumber pOdd = new PrintNumber(true, lock);PrintNumber pEven = new PrintNumber(false, lock);Thread t1 = new Thread(pOdd);Thread t2 = new Thread(pEven);t1.start();t2.start();} }class PrintNumber implements Runnable{Boolean flag;Object lock;public PrintNumber(Boolean flag, Object lock){this.flag = flag;this.lock = lock;}public void run() {for(int i=1; i< 20; i=i+2){synchronized(lock){if(flag){System.out.println("a---"+i);}else{System.out.println("b---"+(i+1));}lock.notifyAll();try {lock.wait();} catch (InterruptedException e) {// TODO Auto-generated catch block e.printStackTrace();}}}}}

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I.?synchronized 鎖住的是對象

//@TODO

II. Object wait(), notify() 和notifyAll()

//@TODO

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轉載于:https://www.cnblogs.com/fangshiwei/p/oddeven_1.html

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