1 package demo7;
 2 
 3 public class Test5 {
 4     public static void main(String[] args) {
 5         MyThread5 mt = new MyThread5();
 6         Thread t = new Thread(mt);
 7         t.start();
 8 
 9         for (int i = 0; i < 50; i++) {
10             try {
11                 Thread.sleep(500);
 
12                 System.out.println("普通號：" + (i+1) + "號病人在看病！");
13             } catch (InterruptedException e) {
14                 e.printStackTrace();
15             }
16             if (i == 9) {
17                 try {
18                     t.join();
19                 } catch (InterruptedException e) {
 
20                     e.printStackTrace();
21                 }
22             }
23         }
24     }
25 }

 1 package demo7;
 2 
 3 //模擬叫號看病，特需號10個，普通號50個，看病時間特需號是普通號的2倍
 4 //叫到普通號第10號時要先看完特需號
 5 public class MyThread5 implements Runnable{
 6 
 7     public void run() {
 8         for (int i = 0; i <10; i++) {
 
 9             try {
10                 Thread.sleep(1000);
11                 System.out.println("特需號："+(i+1)+"號病人在看病！");
12             } catch (InterruptedException e) {
13                 e.printStackTrace();
14             }
15             
16         }
17     }
18 }