虚析构函数 enum

#include<stdio.h>
#include <iostream>
using namespace std;
enum XQ {
	MONDAY,
	TUESDAY,
	WEDNESDAY,
	THUERSDAY,
	FRIDAY,
	SATURDAY,
	SUNDAY
};

class ClxBase{
public:
	ClxBase(){};
   // ~ClxBase(){};//当用一个基类的指针删除一个派生类的对象时，派生类的析构函数会被调用,只有当一个类被用来作为基类的时候，才把析构函数写成虚函数。
	virtual ~ClxBase(){};

	virtual void DoSomething(){cout<<"Dosomething in class ClxBase!"<<endl;}
};

class ClxDerived:public ClxBase{
public:
	ClxDerived(){};
	~ClxDerived(){cout<<"Output from the destrunctor of class ClxDerived!"<<endl;}
	
	void DoSomething(){cout<<"Dosomething in class ClxDerived!"<<endl;}
};

int main(){
	enum XQ day = MONDAY;
	printf("%d\n",day);
	ClxBase *pTest = new ClxDerived;
	pTest->DoSomething();
	delete pTest;
	return 0;
}