多线程中的生产者消费者Java源代码（带注释）

 1 package per.producterconsumer;
 2 
 3 public class Info {
 4         
 5     private boolean flag = true;
 6     /*
 7      * flag=true  表示此时可以生产，但不能消费
 8      * flag=false 表示此时可以消费，但不能生产
 9      */
10     
11     public synchronized void set(String name,String opterate){ 
12         //同步方法，可以保证同一时刻只有一个线程在执行此方法
13         
14         if(flag==false){  //表示此时可以消费，但不能生产
15             try {
16                 super.wait();  //生产者等待
17             } catch (InterruptedException e) {
18                 // TODO Auto-generated catch block
19                 e.printStackTrace();
20             }
21         }
22         
23         this.setName(name);
24         try {
25             Thread.sleep(500);
26         } catch (InterruptedException e) {
27             // TODO Auto-generated catch block
28             e.printStackTrace();
29         }
30         this.setOpterate(opterate);
31         
32         this.flag=false; //生产完成后，将标志位改变，以便消费者来判断是否可以消费了
33         super.notify();  //唤醒消费者进程        
34     }
35     
36     
37     public synchronized void get(){
38         if(flag==true){  //表示此时可以生产，但不能消费
39             try {
40                 super.wait();  //消费者等待
41             } catch (InterruptedException e) {
42                 // TODO Auto-generated catch block
43                 e.printStackTrace();
44             }
45         }
46         try {
47             Thread.sleep(500);
48         } catch (InterruptedException e) {
49             // TODO Auto-generated catch block
50             e.printStackTrace();
51         }
52         System.out.println(this.name+this.opterate);
53         
54         this.flag=true;  //消费完成后，将标志位改变，以便生产者来判断是否可以生产了
55         super.notify();  //唤醒生产者进程        
56     }
57   
58     
59     public void setName(String name) {
60         this.name = name;
61     }
62     
63     public void setOpterate(String opterate) {
64         this.opterate = opterate;
65     }
66     
67    private String name="zhangsan";
68    private String opterate="is running";
69    
70 }

 1 package per.producterconsumer;
 2 
 3 public class Producter implements Runnable {
 4 
 5     public Info info = null;
 6 
 7     public Producter(Info info){
 8         this.info=info;
 9     }
10     
11     @Override
12     public synchronized void run() {
13         boolean flag = true;
14         for (int i=0;i<20;i++){
15             if(flag){
16                 this.info.set("zhangsan"," is running");
17                 flag=false;
18             }
19             else{            
20                 this.info.set("lisi"," is claming");
21                 flag=true;
22             }
23         }
24     }
25 }

 1 package per.producterconsumer;
 2 
 3 public class Consumer implements Runnable {
 4     
 5     private Info info=null;
 6 
 7     public Consumer(Info info){
 8         this.info=info;
 9     }
10     
11     @Override
12     public synchronized void run() {        
13         for (int i=0;i<20;i++){
14             this.info.get();
15         }                
16     }
17 }

 1 package per.producterconsumer;
 2 
 3 public class Test {
 4     public static void main(String[] args) {
 5         Info info = new Info();
 6         Producter p = new Producter(info);
 7         Consumer c = new Consumer(info);
 8         Thread t1 = new Thread(p,"t1");
 9         Thread t2 = new Thread(c,"t2");
10         t1.start();
11         t2.start();
12     }
13 }