多线程-线程间通信-示例 

 1 package multithread4;
 2 
 3 
 4 
 5 /*
 6  * 线程间通讯：
 7  * 多个线程在处理同一资源，但是任务却不同。
 8  * 
 9  */
10 
11 //资源
12 class Resource{
13     String name;
14     String sex;
15 }
16 
17 //输入
18 class Input implements Runnable{
19     Resource r;
20 //    Object obj = new Object();
21     public Input(Resource r) {
22         this.r = r;
23     }
24     public void run() {
25         int x = 0;
26         while(true) {
27             synchronized (r) {
28                 if (x==0) {
29                     r.name = "mike";
30                     r.sex = "nan";
31                 }else {
32                     r.name = "丽丽";
33                     r.sex = "女女女";
34                 }
35             }
36             
37             x = (x+1)%2;
38         }
39     }
40 }
41 
42 //输出
43 class Output implements Runnable{
44     Resource r;
45     public Output(Resource r) {
46         this.r = r;
47     }
48     public void run() {
49         while(true) {
50             synchronized (r) {
51                 System.out.println(r.name+"....."+r.sex);
52             }
53             
54         }
55         
56     }
57 }
58 
59 
60 public class ResourceDemo {
61 
62     public static void main(String[] args) {
63         //创建资源
64         Resource r = new Resource();
65         //创建任务
66         Input in = new Input(r);    
67         Output out = new Output(r);
68         //创建线程，执行路径
69         Thread t1 = new Thread(in);
70         Thread t2 = new Thread(out);
71         //开启线程
72         t1.start();
73         t2.start();
74     }
75 
76 }
ResourceDemo

 

posted @ 2021-11-10 20:30  doremi429  阅读(16)  评论(0)    收藏  举报