类的继承：人，学校，学生，老师，班主任！

爱被打了一巴掌 2022-07-15 18:09 115阅读 0赞

定义一个普通人、老师、班主任、学生、学校，  
提供适当的filed、方法用于描述其内部数据和行为方式，  
并提供主类使之运行。要求有良好的封装性，  
将不同的类放在不同的包下面，增加文档注释。

注：没有哦注意到封装性的问题，应public转换成private的

//--------------------main方法------------------------------------------------------------------------------------------------------------------------------------------------------

//---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

package cn.edu.ujn.langsin.main;

import cn.edu.langsin.headteacher.HeadTeacher;  
import cn.edu.langsin.student.Student;  
import cn.edu.langsin.teacher.Teacher;  
  
  
public class Main \{  
public static void main(String\[\] args) \{  
Student student=new Student("庄园", 21, '女', "济南大学", "20141222235", "计算机科学与技术");  
Teacher teacher=new Teacher("王老师", 38, '男', "济南大学", "计算机体系结构", "教授", "000000001");  
HeadTeacher headteacher=new HeadTeacher("张老师", 42, '女', "山东大学", "数字电路", "副教授", "000000002", "电气1502");  
System.out.println(student.message());  
System.out.println(teacher.message());  
System.out.println(headteacher.message());  
\}

//---------------------------------------------------------------------------------普通人---------------------------------------------------------------------

//---------------------------------------------------------------------------------------------------------------------------------------------------------------

package cn.edu.langsin.person;  
  
  
//-------普通人类-------  
public class Person \{  
public String name;  
public int age;  
public char sex;  
public Person(String name, int age, char sex) \{  
this.name=name;  
this.age=age;  
this.sex=sex;  
\}  
public String message() \{  
return name+",性别:"+sex+",今年"+age+"岁";  
\}  
\}

//-------------------------------------------------------------------------------------------------------------学校-----------------------------------

//-----------------------------------------------------------------------------------------------------------------------------------------------------

package cn.edu.langsin.school;  
  
  
import cn.edu.langsin.person.Person;  
//-------学校类-------  
public class School extends Person \{  
public String schoolName;  
public School(String name,int age,char sex,String schoolName)\{  
super(name, age, sex);  
this.schoolName=schoolName;  
\}  
public String message() \{  
return super.message()+",在"+schoolName;  
\}  
\}

//--------------------------------------------------------------------------------------------------------------学生-------------------------------------------------

//---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

package cn.edu.langsin.student;  
  
  
import cn.edu.langsin.school.School;  
//-------学生类-------  
public class Student extends School\{  
String no;  
String major;  
public Student(String name, int age, char sex, String schoolName,String no, String major)\{  
super(name, age, sex, schoolName);  
this.no=no;  
this.major=major;  
\}  
public String message() \{  
return super.message()+"是一名学生,学号是："+no+",所学专业"+major;  
\}  
\}

//--------------------------------------------------------------------------------------------------------------------------------------------老师----------------------

//-------------------------------------------------------------------------------------------------------------------------------------------------------------------------

package cn.edu.langsin.teacher;  
  
  
import cn.edu.langsin.school.School;  
//-------教师类-------  
public class Teacher extends School\{  
public String no;  
public String job;  
public String lesson;  
public Teacher(String name, int age, char sex, String schoolName, String lesson, String job, String no) \{  
super(name, age, sex, schoolName);  
this.no=no;  
this.job=job;  
this.lesson=lesson;  
\}  
public String message() \{  
return super.message()+"是一名教师,所教课程:"+lesson+",职称："+job+",工号是："+no;  
\}  
  
  
\}

//---------------------------------------------------------------------------------------------------------------------------------------------班主任--------------------

//-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------

package cn.edu.langsin.headteacher;  
  
  
import cn.edu.langsin.teacher.Teacher;  
//-------班主任类-------  
public class HeadTeacher extends Teacher\{  
public String banji;//班主任班级  
public HeadTeacher(String name, int age, char sex, String schoolName,  
String lesson, String job, String no, String banji) \{  
super(name, age, sex, schoolName, lesson, job, no);  
this.banji=banji;  
\}  
public String message() \{  
return super.message()+",是"+banji+"班班主任";  
\}  
  
  
\}