java多线程-军队战争

package cn.test.muke;


//军队线程
//模拟作战双方的行为
public class ArmyRunnable implements Runnable{
    
    // volatile保证了线程可以正确的读取其他线程写入的值
    // 可见性 refer JMM,happens-before原则
    volatile boolean keepRunning = true;

    @Override
    public void run() {
    
        while(keepRunning) {
            // 发动5连击
            for(int i = 0;i < 5;i++) {
                System.out.println(Thread.currentThread().getName()+ "进攻对方["+i+"]");
                // 使得当前进程可以让出处理器,下一次是谁不一定
                Thread.yield();
            }
            
        }
        
        System.out.println(Thread.currentThread()+"结束了战斗");
        
    }
    
}

package cn.test.muke;
/**
 * 隋唐演义大戏舞台
 * @author Tony Fan
 *
 */
public class Stage extends Thread {

    public void run() {
        
        // 隋朝军队
        ArmyRunnable armyTaskOfSuiDynasty = new ArmyRunnable();
        // 农民起义军
        ArmyRunnable armyTaskOfRevolt = new ArmyRunnable();
        
        //使用Runnable接口创建线程
        Thread armyOfSuiDynasty = new Thread(armyTaskOfSuiDynasty,"隋军");
        Thread armyOfRevolt = new Thread(armyTaskOfRevolt,"农民起义军");
        
        //启动线程，让军队开始作战
        armyOfSuiDynasty.start();
        armyOfRevolt.start();
        
        
        //舞台线程休眠，大家专心观看均对厮杀
        try {
            Thread.sleep(50);
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        
        armyTaskOfSuiDynasty.keepRunning = false;
        armyTaskOfRevolt.keepRunning = false;
        
        try {
            armyOfRevolt.join();
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
    
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        new Stage().start();

    }

}