轮流运行，舞台线程只是会占用一部分其他线程的运行时，但不是全部占用，其他线程还是有机会运行的。

public class Stage extends Thread {

public void run() {

System.out.println("舞台线程");

try {

Thread.sleep(1000);

} catch (InterruptedException e1) {

// TODO Auto-generated catch block

e1.printStackTrace();

}

System.out.println("大幕徐徐拉开");

try {

Thread.sleep(1000);

} catch (InterruptedException e1) {

// TODO Auto-generated catch block

e1.printStackTrace();

}

ArmyOfSuiDynasty armyOfDynasty = new ArmyOfSuiDynasty("朝廷军");

ArmyOfSuiDynasty armyOfFamer = new ArmyOfSuiDynasty("农民军");

// 用Runnable接口创建线程

Thread armyTaskOfSuiDynasty = new Thread(armyOfDynasty, "朝廷军线程");

Thread armyTaskOfFamer = new Thread(armyOfFamer, "农民军线程");

// 启动线程，让军队开始作战

armyTaskOfSuiDynasty.start();

armyTaskOfFamer.start();

// //让主线程进入休眠状态，让出处理时间

// try {

//

// Thread.sleep(1);

// } catch (InterruptedException e) {

// // TODO Auto-generated catch block

// e.printStackTrace();

// }

// 将作战指令设为停止

armyOfDynasty.keepRunning = false;

armyOfFamer.keepRunning = false;

try {

armyTaskOfFamer.join();

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

public static void main(String[] args) {

Stage s = new Stage();

s.start();

}

}