Java Oncurrent？取决于同步的内容。如果您执行同步（此），则应用完全相同的规则。 public class Test { public synchronized void m1() { try { Thread.sleep(20

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Oncurrent？取决于同步的内容。如果您执行同步（此），则应用完全相同的规则。

public class Test {

    public synchronized void m1() {
        try { Thread.sleep(2000); }
        catch (InterruptedException ie) {}
    }

    public synchronized void m2() {
        try { Thread.sleep(2000); }
        catch (InterruptedException ie) {}
    }

    public static void main(String[] args) throws InterruptedException {
        final Test t = new Test();
        Thread t1 = new Thread() { public void run() { t.m1(); } };
        Thread t2 = new Thread() { public void run() { t.m2(); } };

        t1.start();
        Thread.sleep(500);

        t2.start();
        Thread.sleep(500);

        System.out.println(t2.getState());
    }
}

BLOCKED

// Thread 1
A a1 = new A();
a1.m1();

// Thread 2
A a2 = new A();
a2.m2()