package com.company;

public class student extends Person {

//extends 继承；
private String school;
private String subject;

public String getSchool() {
    return school;
}

public void setSchool(String school) {
    this.school = school;
}

public String getSubject() {
    return subject;
}

public void setSubject(String subject) {
    this.subject = subject;
}
//继承了方法，然后可以就是增加也可以修改 方法可以重写
//属性修改不了
@Override  //重写

public void desp(){
    super.desp();
    System.out.println(this.school+this.subject);
}

public static void main(String[] args) {
  student stu =new student();
  stu.setAge(12);
  stu.setName("HJF");
  stu.setSchool("NTU");
  stu.setSubject("math");
  stu.desp();
  //这个时候发现不够用了

}

}