/**
 * @author: ChenforCode
 * @date: 2019/4/9 21:42
 * @description: 类锁：static静态形式
 */
public class SynchronizedClassStatic4 implements Runnable
{
    private static SynchronizedClassStatic4 instance1 = new SynchronizedClassStatic4();
    private static SynchronizedClassStatic4 instance2 = new SynchronizedClassStatic4();

    public static void main(String[] args){
        Thread t1 = new Thread(instance1);
        Thread t2 = new Thread(instance2);
        t1.start();
        t2.start();

        while (t1.isAlive() || t2.isAlive()){

        }
        System.out.println("finish");
    }

    @Override
    public void run() {
        method();
    }

    public static synchronized void method (){
        System.out.println("我是类锁的第一种方式，名字是：" + Thread.currentThread().getName());
        try {
            Thread.sleep(3000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println(Thread.currentThread().getName() + "运行结束");
    }
}