static virtual

本文通过一个 C++ 示例展示了类继承与多态的概念。代码中定义了两个类 A 和 B,其中 B 类继承自 A 类。通过指针调用基类与派生类的方法来演示多态特性。

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class  A                                                                              
{
public:
     void virtual print(){cout<<"A::print()"<<endl;}
};
class B :public A  
{
public:
     static void  print(){cout<<"C::print()"<<endl;}
};                                                                                                                                                           
 
                                                                                                                          
void main()                                                                                                                                                           
{
     A a,*aa,*ab;                                  
     B b;                                                                                                            
     aa=&a;                                                                                                                                                         
     ab=&b;                                       
 
     aa->print();                                                                
     ab->print();                                                                                                                                                             
}
 
输出:
A::print()
A::print()
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