继承

#include <iostream>  using namespace std; class Animal{private:char name[20];protected:int age;public:void set_name(char* name){strcpy(this->name, name);}void set_age(int age){this->age = age;}char* get_name(){return name;}int get_age(){return age;}};class Bird : public Animal{double weight;public:void set_weight(double weight){this->weight = weight;}double get_weight(){return weight;}void fly(){cout << "我终于翱翔用心凝望不害怕" << endl;}};int main(){Bird a1;a1.set_name("麻雀");a1.set_age(27);a1.set_weight(100);cout  << a1.get_name() << ':' << a1.get_age() << "岁" << "体重" << a1.get_weight() << endl;a1.fly();return 0;}