摘要： class Animal { public: void speak() { cout << "Animal.speak()" << endl; } }; class Cat :public Animal { void speak() { cout << "Cat.speak()" << endl; 阅读全文

摘要： 1、加号运算符重载(加减乘除) 首先假设你有一个Person类，里面有个成员变量m_a和m_b，现在你想使p1+p2等价于p1.m_a+p2.m_a，p1.m_b+p2.m_b class Person { public: Person() {}; Person(int a, int b) : m_ 阅读全文