学校信息系统

package experiment2;
class Person{                     
    private String idnum, name;                             
    private int age; 
    public Person(String idnum, String name, int age) {
		super();
		this.idnum = idnum;
		this.name = name;
		this.age = age;
	}
	public String print1() {
		return "身份证号:"+idnum+"\n姓名:"+name+"\n年龄:"+age;
	}
}

class Student extends Person{
	private String stuNum;
	public Student(String idnum, String name, int age, String stuNum) {
			super(idnum, name, age);
			this.stuNum = stuNum;
		}
	public void output() {
		System.out.println(print1()+"\n学生学号:"+stuNum);
	}
}
class Teacher extends Person{
	private String teaNum;
	public Teacher(String idnum, String name, int age, String teaNum) {
		super(idnum, name, age);
		this.teaNum = teaNum;
	}
	
	public void output() {
		System.out.println(print1()+"\n教师工号:"+teaNum);
	}
}
public class SchInfSystem{
  public static void main(String[] args) {   	 
    Student s1 = new Student("442987589","张飞",20,"10645");
    s1.output();
	System.out.println("※※※※※※※※※※※※※※※※※");
    Teacher t1 = new Teacher("4429875888","关羽",30,"6541");
    t1.output();
	}
}