请将下列类定义补充完整。 class Base{public:void fun(){cout＜＜"Base::fun"＜＜end;}}； class Derived:public Base { public: void

admin2009-02-15 790

问题请将下列类定义补充完整。
class Base{public:void fun(){cout＜＜"Base::fun"＜＜end;}}；
class Derived:public Base
{
public:
   void fun()
   {
      【  】//显式调用基类的fun函数
         cout＜＜"Derived::fun"＜＜endl；
   }
};