56 

    56 

    57     public String toString() {

    57     public String toString() {

    58         return getClass().getName() + "@" + Integer.toHexString(hashCode());

    58         return getClass().getName() + "@" + Integer.toHexString(hashCode());

    59     }

    59     }

    60 

    60 

    61     public final native void notify();

    62     public final native void notify();

    62 

    63 

    63     public final native void notifyAll();

    65     public final native void notifyAll();

    64 

    66 

    65     public final native void wait(long timeout) throws InterruptedException;

    67     public final native void wait(long timeout) throws InterruptedException;

    66 

    68 

    67     public final void wait(long timeout, int nanos) throws InterruptedException {

    69     public final void wait(long timeout, int nanos) throws InterruptedException {