synchronized静态方法,代码编译测试 - 在线编译器(yxjc123.com)

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                    public class SyncExample2  {

    public synchronized void func1()  {
        try {
            Thread.sleep(3000);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
        System.out.println("调用第1个synchronized修饰的方法");
    }
    public synchronized void func2(){
        System.out.println("调用第2个synchronized修饰的方法");
    }

    public synchronized static void func3(){
        System.out.println("调用第3个synchronized修饰的静态方法");
    }

    public static void main(String[] args) throws InterruptedException {
        SyncExample2 sync2 = new SyncExample2();
        Thread t1 = new Thread(new Runnable() {
            @Override
            public void run() {
                sync2.func1();
            }
        });
        System.out.println("开启线程1");
        t1.start();
        Thread t2 = new Thread(new Runnable() {
            @Override
            public void run() {
                sync2.func2();
            }
        });
        System.out.println("开启线程2");
        t2.start();

        Thread t3 = new Thread(new Runnable() {
            @Override
            public void run() {
                sync2.func3();
            }
        });
        System.out.println("开启线程3");
        t3.start();

    }
}
                

synchronized静态方法在线测试，这是一个简单方便的Java在线运行工具，支持在线编译、在线调试和在线结果的实时反馈。