下面程序输出的结果为 #include" iostream.h" class A { public: A() { cout < <
下面程序输出的结果为 #include" iostream.h" class A { public: A() { cout < < "CLASS A" < < end1;} ~ A() { } }; class B:public A { public: B(){ cout < < "CLASS B" < < end1;} ~ B() { } }; void main() { A * p; p=new B; B * q;
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