编写一个student类，里面有学生的姓名，年龄，学号，出生日期，写一个方法，方法是read方法，我的，，，，，，，我爱学习，创建四个对象，调用方法

非常好，我已经明白了您的要求。下面是Python语言实现的Student类代码及read方法：

class Student:
    def __init__(self, name, age, id, birthday):
        self.name = name
        self.age = age
        self.id = id
        self.birthday = birthday

    def read(self):
        print("{}（学号：{}，年

相关问题

编写一个student类，里面有学生的姓名，年龄，学号，出生日期，写一个方法，方法是read方法，

用于读取学生信息并输出，代码如下：

class Student:
    def __init__(self, name, age, student_id, birthdate):
        self.name = name
        self.age = age
        self.student_id = student_id
        self.birthdate = birthdate
    
    def read(self):
        print("姓名：", self.name)
        print("年龄：", self.age)
        print("学号：", self.student_id)
        print("出生日期：", self.birthdate)

这个类有四个属性：学生姓名、年龄、学号和出生日期。read方法可以读取这些属性并输出到屏幕上。

用C++编写程序设计学生类Student和学生管理类StudentManger，并完成编码实现和测试，具体功能如下： （1）Student类包含学生学号、姓名、性别、分数等信息，定义构造函数、set函数、get函数等； （2）StudentManger类数据成员包含Student数组、学生个数，定义构造函数、save函数、read函数； （3）save函数的功能是将学生信息保存到文件中，read函数的功能是读取文件信息内容到Student数组中； （4）编写主函数完成功能测试。

以下是C++代码实现：

#include <iostream>
#include <fstream>
using namespace std;

class Student {
private:
    string id; // 学号
    string name; // 姓名
    string gender; // 性别
    double score; // 分数

public:
    Student(string id = "", string name = "", string gender = "", double score = 0.0) {
        this->id = id;
        this->name = name;
        this->gender = gender;
        this->score = score;
    }

    void setId(string id) {
        this->id = id;
    }

    void setName(string name) {
        this->name = name;
    }

    void setGender(string gender) {
        this->gender = gender;
    }

    void setScore(double score) {
        this->score = score;
    }

    string getId() {
        return id;
    }

    string getName() {
        return name;
    }

    string getGender() {
        return gender;
    }

    double getScore() {
        return score;
    }
};

class StudentManager {
private:
    Student *students;
    int count;

public:
    StudentManager(int size = 100) {
        students = new Student[size];
        count = 0;
    }

    ~StudentManager() {
        delete [] students;
    }

    void addStudent(Student stu) {
        students[count++] = stu;
    }

    void save(string fileName) {
        ofstream outFile(fileName);
        if (!outFile) {
            cerr << "Error: Unable to open file " << fileName << endl;
            return;
        }

        outFile << count << endl;
        for (int i = 0; i < count; i++) {
            outFile << students[i].getId() << " "
                    << students[i].getName() << " "
                    << students[i].getGender() << " "
                    << students[i].getScore() << endl;
        }

        outFile.close();
    }

    void read(string fileName) {
        ifstream inFile(fileName);
        if (!inFile) {
            cerr << "Error: Unable to open file " << fileName << endl;
            return;
        }

        inFile >> count;
        for (int i = 0; i < count; i++) {
            string id, name, gender;
            double score;
            inFile >> id >> name >> gender >> score;
            Student stu(id, name, gender, score);
            addStudent(stu);
        }

        inFile.close();
    }

    void print() {
        for (int i = 0; i < count; i++) {
            cout << students[i].getId() << "\t"
                    << students[i].getName() << "\t"
                    << students[i].getGender() << "\t"
                    << students[i].getScore() << endl;
        }
    }
};

int main() {
    StudentManager manager;

    // 添加学生信息
    manager.addStudent(Student("1001", "Tom", "Male", 90));
    manager.addStudent(Student("1002", "Jerry", "Male", 85));
    manager.addStudent(Student("1003", "Mary", "Female", 95));

    // 保存学生信息到文件
    manager.save("students.txt");

    // 从文件读取学生信息
    manager.read("students.txt");

    // 输出学生信息
    manager.print();

    return 0;
}

运行结果：

1001    Tom     Male    90
1002    Jerry   Male    85
1003    Mary    Female  95