class MyThread extends Thread {
    MyThread(String name) {
        super(name);
    }

    public void run() {
        sync.go();
        System.out.println(this.getName());
    }
}

class sync {
    synchronized static void go() {
        try {
            Thread.sleep(1000);
        } catch (InterruptedException ex) {
        }
    }
}

public class test {
    public static void main(String[] args) {
        new MyThread("A").start();
        System.out.println(new Date().getTime());
        try {
            Thread.sleep(1000);
        } catch (InterruptedException ex) {
        }
        new MyThread("B").start();
        new MyThread("C").start();
    }
}