下面程序输出的结果为 #include iostream.h class A { public: A( ){cout<< CLASS A <<endl;} ~A( ){} }; class B:public A { public: B( ){cout<< CLASS B <<endl;} ~B( ){} }; void main( ) { A*p; p=new B; B *q; q=new B; } A)CLASS A CLASS B B)CLASS A CLASS B CLASS B C) CLASS A CLASS B CLASS A CLASS B D) CLASS A CLASS B CLASS B CLASS B
下面程序输出的结果为 #include"iostream.h" class A { public: A( ){cout<<"CLASS A"<<endl;} ~A( ){} }; class B:public A { public: B( ){cout<<"CLASS B"<<endl;} ~B( ){} }; void main( ) { A*p; p=new B; B *q; q=new B; } A)CLASS A CLASS B B)CLASS A CLASS B CLASS B C) CLASS A CLASS B CLASS A CLASS B D) CLASS A CLASS B CLASS B CLASS B