用idea软件做一个选课系统的Java语句,要求用继承类,分包实现
时间: 2024-04-07 12:29:16 浏览: 66
好的,我可以提供一个简单的选课系统的Java语句,满足您要求使用继承类和分包实现。
首先,我们需要创建四个Java类:Person类、Student类、Course类和Teacher类。其中,Person类是基类,Student、Course和Teacher类是Person类的子类。
Person类代码:
```java
package model;
public class Person {
private int id;
private String name;
private String gender;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getGender() {
return gender;
}
public void setGender(String gender) {
this.gender = gender;
}
}
```
Student类代码:
```java
package model;
public class Student extends Person {
private String selectedCourse;
public String getSelectedCourse() {
return selectedCourse;
}
public void setSelectedCourse(String selectedCourse) {
this.selectedCourse = selectedCourse;
}
public void selectCourse(String courseName) {
selectedCourse = courseName;
}
public void dropCourse() {
selectedCourse = null;
}
}
```
Course类代码:
```java
package model;
public class Course {
private int courseId;
private String courseName;
private String teacherName;
public int getCourseId() {
return courseId;
}
public void setCourseId(int courseId) {
this.courseId = courseId;
}
public String getCourseName() {
return courseName;
}
public void setCourseName(String courseName) {
this.courseName = courseName;
}
public String getTeacherName() {
return teacherName;
}
public void setTeacherName(String teacherName) {
this.teacherName = teacherName;
}
public void addCourse() {
// 添加课程的代码
}
public void deleteCourse() {
// 删除课程的代码
}
}
```
Teacher类代码:
```java
package model;
public class Teacher extends Person {
private String course;
public String getCourse() {
return course;
}
public void setCourse(String course) {
this.course = course;
}
public void viewSelectedStudents() {
// 查看选课学生的代码
}
public void modifyGrade() {
// 修改成绩的代码
}
}
```
然后,我们需要创建一个Admin类,实现管理员特有的添加学生、添加课程、添加教师等方法。
Admin类代码:
```java
package controller;
import model.Course;
import model.Student;
import model.Teacher;
public class Admin {
public void addStudent(Student student) {
// 添加学生的代码
}
public void addCourse(Course course) {
// 添加课程的代码
}
public void addTeacher(Teacher teacher) {
// 添加教师的代码
}
}
```
最后,在主函数中创建相应的对象,调用对应的方法,实现选课系统的功能。
主函数代码:
```java
import controller.Admin;
import model.Course;
import model.Student;
import model.Teacher;
public class Main {
public static void main(String[] args) {
Admin admin = new Admin();
Student student = new Student();
Course course = new Course();
Teacher teacher = new Teacher();
admin.addStudent(student);
admin.addCourse(course);
admin.addTeacher(teacher);
student.selectCourse(course.getCourseName());
teacher.viewSelectedStudents();
}
}
```
这就是一个简单的选课系统的Java语句,满足您要求使用继承类和分包实现。当然,具体实现还需要您根据实际需求进行调整和完善。
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