Synchronized锁例子,代码编译测试 - 在线编译器(yxjc123.com)

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                    public class SynchronizedLockExample extends Thread {
    public static  Integer count=1;
    public static final String lock = "CountLock";

    public SynchronizedLockExample() { }

    @Override
    public void run() {
        while(true){
            synchronized(lock){
                if (count>20){
                    System.out.println(getName() + "退出，count值: "+count);
                    break;
                }
                System.out.println(getName() + "，count值"+count);
                count = count +1;
            }
			//sleep放在synchronized外面
            try {
                Thread.sleep(10);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }

    public static void main(String args[]) throws InterruptedException {
        SynchronizedLockExample task1 = new SynchronizedLockExample();
        SynchronizedLockExample task2 = new SynchronizedLockExample();

        task1.start();
        task2.start();

    }

}
                

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