package com.jysemel.java.lock;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class SynchronizedExample {

    public static void main(String[] args) {
        SynchronizedExample example = new SynchronizedExample();
        ExecutorService executorService = Executors.newCachedThreadPool();

        executorService.execute(example::test);
        executorService.execute(example::test);

        executorService.execute(SynchronizedExample::test3);
        executorService.execute(SynchronizedExample::test3);
    }


    //修饰代码块
    public void test () {
        synchronized (this) {
            for (int i = 0; i < 10; i++) {
                System.out.println(i);
            }
        }
    }

    //修饰方法
    public synchronized void test2 () {
        for (int i = 0; i < 10; i++) {
            System.out.println(i);
        }
    }

    //修饰静态方法
    public static synchronized void test3 () {
        for (int i = 0; i < 10; i++) {
            System.out.println(i);
        }
    }

    //修饰一个类
    public static class SynchronizedClass {
        public static void test4 () {
            synchronized (SynchronizedClass.class) {
                for (int i = 0; i < 10; i++) {
                    System.out.println(i);
                }
            }
        }
    }
}