相同类的对象是否共享虚函数表，不同类呢

实践出真理！

#include<stdio.h>
#include<iostream>
class A{
public:A();
       virtual~A();
       virtual void fun1(){
           printf("A:fun1");
       }
       virtual void fun2(){
           printf("A:fun2");
       }
};
A::A(){}
A::~A(){
    printf("Delete class A\n");
}

class B : public A
{
public:B();
       ~B();
       void fun1(){
           printf("A:fun1");
       }
       void fun2(){
           printf("A:fun2");
       }
};

B::B(){ }
B::~B(){
    printf("Delete class B\n");
}    


int main(){

    A *a=new B;
    A *a2=new B;

    A *a3=new A;

    delete a;
    //delete c;
    //delete d;
    return 0;
}

View Code