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class AES
{
public:
AES(){m_data=2;}
virtual void fun1(){cout<<"fun1"<<endl;}
void fun2(){cout<<"fun2"<<endl;}
void fun3(){cout<<m_data<<endl;}
private:
int m_data;
};
int main()
{
VA *p=NULL;
p->fun1(); //对象未构造,虚表未产生;编译通过,运行失败;
p->fun2();
p->fun3(); //对象未构造,成员变量未产生;编译通过,运行失败;
return 0;
}
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原文地址:http://www.cnblogs.com/hj-blog/p/4448842.html