C++类默认的成员函数与Java Object类中的成员函数

class EmptyCppClass
{
public:
EmptyCppClass(); // 缺省构造函数
EmptyCppClass( const EmptyCppClass& ); // 拷贝构造函数
~EmptyCppClass(); // 析构函数
EmptyCppClass& operator=( const EmptyCppClass& ); // 赋值运算符
EmptyCppClass* operator&(); // 取址运算符
const EmptyCppClass* operator&() const; // 取址运算符 const
};

public class Object{
private static native void registerNatives();
static {
registerNatives();
}
public native int hashCode();
public boolean equals(Object obj) {
return (this == obj);
}
protected native Object clone() throws CloneNotSupportedException;
public String toString() {
return getClass().getName() + "@" + Integer.toHexString(hashCode());
}
public final native void notify();
public final native void notifyAll();
public final native void wait(long timeout) throws InterruptedException;
public final void wait(long timeout, int nanos) throws InterruptedException {
if (timeout < 0) {
throw new IllegalArgumentException("timeout value is negative");
}

if (nanos < 0 || nanos > 999999) {
throw new IllegalArgumentException(
"nanosecond timeout value out of range");
}

if (nanos > 0) {
timeout++;
}

wait(timeout);
}
public final void wait() throws InterruptedException {
wait(0);
}
protected void finalize() throws Throwable { }
}