Java#双线程打印奇偶数-优快云博客

本文链接：https://blog.youkuaiyun.com/Fooler233/article/details/126845817

该博客展示了如何使用Java实现多线程同步，通过`synchronized`关键字和`wait/notifyAll`方法，确保两个线程交替打印奇偶数，从0到100。示例中创建了两个线程`t1`和`t2`，分别负责打印奇数和偶数。

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public class PrintNum {
    
    public static Integer number=0  ;
    static final Object o=new Object() ;

    public static void main(String[] args) {
       Thread t1=new Thread(new Runnable() {
   
           @Override
           public void run() {
               while(number<100){
                   synchronized(o){

                       if((number&1)==1){
                           try {
                               o.wait();
                           } catch (InterruptedException e) {
                               e.printStackTrace();
                           }
                       }
                       System.out.println(Thread.currentThread().getName() + "-->" + number++);
                       o.notifyAll();
                   }
               }
           }
       }) ;

        Thread t2=new Thread(new Runnable() {
          
            @Override
            public void run() {
                while (number<100){
                    synchronized (o){

                        if((number&1)==0){
                            try {
                                o.wait();
                            } catch (InterruptedException e) {
                                e.printStackTrace();
                            }
                        }
                        System.out.println(Thread.currentThread().getName() + "-->" + number++) ;
                        o.notifyAll();
                    }
                }
            }

        }) ;

        t1.setName("t1");
        t2.setName("t2");
        t1.start();
       /* try {
            Thread.sleep(1);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }*/
        t2.start();

    }
}

D:\Java\jdk\bin\java.exe 
t1-->0
t2-->1
t1-->2
t2-->3
t1-->4
t2-->5
t1-->6
t2-->7
t1-->8
t2-->9
t1-->10
t2-->11
t1-->12
t2-->13
t1-->14
t2-->15
t1-->16
t2-->17
t1-->18
t2-->19
t1-->20
t2-->21
t1-->22