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C++Öжà̬ÐÔµÄÌÖÂÛ Êä³öÏÂÃæ³ÌÐò½á¹û¡£ #include <iostream.h> class A { public: virtual void print(void) {     cout<<"A::print()"<<endl; } }; class B:public A { public: virtual void print(void) {    cout<<"B::print()"<<endl; }; }; class C:public B { public: virtual void print(void) {   cout<<"C::print()"<<endl; } }; void print(A a) {    a.print(); } void main(void) {    A a, *pa,*pb,*pc;    B b;    C c;        pa=&a;    pb=&b;    pc=&c;        a.print();    b.print();    c.print();        pa->print();    pb->print();    pc->print();        print(a);    print(b);    print(c); } ½á¹ûÈçÏÂ: A::print() B::print() C::print() A::print() B::print() C::print() A::print() A::print()//Ϊʲô²»ÊÇB::print() A::print()//Ϊʲô²»ÊÇC::print() Çë´ó¼Ò̸̸×Ô¼ºµÄ¿´·¨    Êղؠ  ·ÖÏí   ¶¥(0)

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