#include <iostream> #include <string> using namespace std; class Student { //类默认都是私有的 //成员 private: string name; public: int age; int no; //成员函数 void Name(const string& newname) { name = newname; } /* 利用公有函数对私有成员进行访问---封装 */ void eat(const string& food) { cout << "我在吃" << food << endl; } void sleep(int hour) { cout << "我睡了" << hour << "小时" << endl; } void learn(const string& course) { cout << "我在学" << course << endl; } void who(void) { cout << "我叫" << name << endl; cout << "今年" << age << "岁" << endl; cout << "学号是:" << no << endl; } }; int main() { Student s; s.Name("张三"); s.age = 25; s.no = 10011; s.who(); s.eat("牛肉拉面"); s.sleep(8); s.learn("C++编程"); return 0; }