C++小代码

#include <iostream>
#include <vector>
#include <string>

class Student {
private:
    std::string name;
    int age;
    std::string major;
    
public:
    Student(std::string name, int age, std::string major) {
        this->name = name;
        this->age = age;
        this->major = major;
    }
    
    std::string getFullName() {
        return name;
    }
    
    int getAge() {
        return age;
    }
    
    std::string getMajor() {
        return major;
    }
};

class StudentDatabase {
private:
    std::vector<Student> students;
    
public:
    void addStudent(Student s) {
        students.push_back(s);
    }
    
    void printStudents() {
        for (Student s : students) {
            std::cout << "Name: " << s.getFullName() << std::endl;
            std::cout << "Age: " << s.getAge() << std::endl;
            std::cout << "Major: " << s.getMajor() << std::endl;
            std::cout << "---------------------" << std::endl;
        }
    }
};

int main() {
    StudentDatabase database;
    
    // 添加学生信息
    database.addStudent(Student("John Smith", 20, "Computer Science"));
    database.addStudent(Student("Jane Doe", 21, "Electrical Engineering"));
    database.addStudent(Student("Bob Johnson", 19, "Mathematics"));
    
    // 打印学生信息
    database.printStudents();
    
    return 0;
}