Object类

一、Java中所有类都继承了什么类？

Object

1、

1     private static native void registerNatives();

2、

1     public final native Class<?> getClass();

3、

1     public native int hashCode();

4、

    public boolean equals(Object obj) {
        return (this == obj);
    }

5、

1     protected native Object clone() throws CloneNotSupportedException;

6、

1 public String toString() {
2         return getClass().getName() + "@" + Integer.toHexString(hashCode());
3     }

7、

    public final native void notify();

8、

1     public final native void notifyAll();

9、

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

10、

1     protected void finalize() throws Throwable { }

谢谢！