父类有虚函数,子类能否继承多态?为什么?
来源:百度知道 编辑:UC知道 时间:2024/06/01 21:16:45
class A {
public:
A() {}
virtual void print() {
cout << "This is A." << endl;
}
};
class B : public A {
public:
B() {}
void print() {
cout << "This is B." << endl;
}
};
int main(int argc, char* argv[]) {
B b;
A a; a = b;a.print;---------------------------------------- make1
return 0;
}
这将显示:
This is B.
什么叫能否继承多态?