关于以下代码说法正确的有? #include &ltiostream&...
发布于 2022-03-02 16:09:15
关于以下代码说法正确的有?
#include <iostream> using namespace std class A { public: virtual void testA() = 0 virtual void print() = 0 } class B :public A { public: virtual void testA() = 0 virtual void print() override { std::cout << "B::print" << std::endl } virtual void testB() { std::cout << "testB" << std::endl } } class C :public B { public: virtual void testA(){} virtual void print() override { std::cout << "C::print" << std::endl } } int main() { C c c.print() c.testB() return 0 }
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