public?class?Stage?extends?Thread?{
	//復寫run方法
	public?void?run(){
		System.out.println("歡迎觀看隋唐演義！");
		try?{
			Thread.sleep(5000);
		}?catch?(InterruptedException?e2)?{
			
			e2.printStackTrace();
		}
		System.out.println("大幕徐徐拉開");
		try?{
			Thread.sleep(5000);
		}?catch?(InterruptedException?e2)?{
			//?TODO?Auto-generated?catch?block
			e2.printStackTrace();
		}
		System.out.println("話說隋朝末年，各路藩王和隋軍殺的是昏天黑地");
		ArmyRunnable?armyTaskOfSuiDynasty=new?ArmyRunnable();
		ArmyRunnable?armyTaskOfFarmer=new?ArmyRunnable();
		
		//使用Runnable創(chuàng)建線程
		Thread?armyOfSuiDynasty=new?Thread(armyTaskOfSuiDynasty,"隋朝軍隊");
		Thread?armyOfFarmer=new?Thread(armyTaskOfFarmer,"農(nóng)民軍隊");
		
		//線程的運行
		armyOfSuiDynasty.start();
		armyOfFarmer.start();
		//讓舞臺線程休眠，大家能夠專心觀看軍隊的廝殺
		try?{
			Thread.sleep(50);
		}?catch?(InterruptedException?e)?{
			
			e.printStackTrace();}
		
			
			System.out.println("正當雙方激戰(zhàn)正酣，半路殺出了個程咬金");
			Thread?Chengyaojin=new?KeypersonThread();
			Chengyaojin.setName("程咬金");
			System.out.println("程咬金的理想就是結束戰(zhàn)斗，使得百姓安居樂業(yè)");
			//軍隊停止戰(zhàn)斗
			armyTaskOfSuiDynasty.keepRunning=false;
			armyTaskOfFarmer.keepRunning=false;
				
			try?{
				Thread.sleep(2000);
			}?catch?(InterruptedException?e)?{
				//?TODO?Auto-generated?catch?block
				e.printStackTrace();
			}
			
			Chengyaojin.start();
			//所有線程等待程咬金完成自己的歷史使命
			try?{
				Chengyaojin.join();
			}?catch?(InterruptedException?e)?{
				//?TODO?Auto-generated?catch?block
				e.printStackTrace();
			}
			
			System.out.println("程咬金完成了自己的理想，結束了戰(zhàn)斗，使得人民能夠安居樂業(yè)");
			System.out.println("感謝觀看隋唐演義！");
		
		
				
				
		
	}
	
	
	public?static?void?main(String?[]args){
		new?Stage().start();
		
	}

讓舞臺休眠，大家看廝殺部分，為什么要寫成Thread.sleep(); 按照字面的理解不是Stage.sleep()l;么

還是說兩種方法都可以？

真心求教！