public?class?ArmyRunnable?implements?Runnable?{
????volatile?boolean?keepRunning=true;
	@Override
	public?void?run()?{
???????while(keepRunning){
????	???for(int?i=1;1<5;i++){
????		???System.out.println(Thread.currentThread().getName()+"進攻了對方["+i+"]");
????		???Thread.yield();
????	???}
???????}
???????System.out.println(Thread.currentThread().getName()+"進攻結束");
???????
	}
}



public?class?Stager?extends?Thread?{
????
	public?void?run(){
		ArmyRunnable?Dynasty?=new?ArmyRunnable();
		ArmyRunnable?Revolt=new?ArmyRunnable();
		Thread?armyDynasty=new?Thread(Dynasty,"隋軍");
		Thread?armyRevolt=new?Thread(Revolt,"農(nóng)民軍");
		armyDynasty.start();
		armyRevolt.start();
		try?{
			Thread.sleep(5000);
		}?catch?(InterruptedException?e)?{
			//?TODO?Auto-generated?catch?block
			e.printStackTrace();
		}
		?Dynasty.keepRunning=false;
		?Revolt.keepRunning=false;
		?try?{
			armyRevolt.join();
		}?catch?(InterruptedException?e)?{
			//?TODO?Auto-generated?catch?block
			e.printStackTrace();
		}
		System.out.println("當雙方激戰(zhàn)正酣，半路殺出個程咬金");
		Thread?mrchen=new?KeyPersonThread();
		mrchen.setName("程咬金");
		System.out.println("程咬金的理想是結束戰(zhàn)爭，使百姓安居樂業(yè)");
		?Dynasty.keepRunning=false;
		?Revolt.keepRunning=false;
		?try?{
			Thread.sleep(2000);
		}?catch?(InterruptedException?e)?{
			//?TODO?Auto-generated?catch?block
			e.printStackTrace();
		}
		mrchen.start();
		try?{
			mrchen.join();
		}?catch?(InterruptedException?e)?{
			//?TODO?Auto-generated?catch?block
			e.printStackTrace();
		}
???System.out.println("程咬金實現(xiàn)了他的夢想");
	}
	/**
	?*?@param?args
	?*/
	public?static?void?main(String[]?args)?{
		//?TODO?Auto-generated?method?stub
????new?Stager().start();
	}

}