对synchronized(this)的一些理解

对synchronized(this)的一些理解(7)                 System.out.println(Thread.currentThread().getName() + " : Inner.m4t2()=" + i);
                try {
                    Thread.sleep(500);
                } catch(InterruptedException ie) {
                }
            }
        }
    }
    private void m4t1(Inner inner) {
        synchronized(inner) { //使用对象锁
            inner.m4t1();  
        }
    }
    private void m4t2(Inner inner) {
        inner.m4t2();
    }
    public static void main(String[] args) {
        final Thread3 myt3 = new Thread3();
        final Inner inner = myt3.new Inner();
        Thread t1 = new Thread(
            new Runnable() {
                public void run() {
                    myt3.m4t1(inner);