继承初始

package com.yuan.human;
public class Person {
String name="路人甲";
int age;
String sex;

public void eat(){
    System.out.println(this.name+"playing");
}
public void showInfo(){
    System.out.println(name);
    System.out.println(age);
    System.out.println(sex);
}




}

package com.yuan.human;
public class Student extends Person{
String sno;
String school;
public void study(){
    System.out.println(this.name+this.school+"are studying");
}
public void showStudentInfo(){
    super.showInfo();
    System.out.println(this.sno);
    System.out.println(this.school);
    System.out.println(super.name);
    
}

}

package com.yuan.human;

public class Test {
    public static void main(String[] args) {
    Student s=new Student();
    s.school="蓝翔";
    s.age=22;
    s.sex="man";
    s.showStudentInfo();
    }

}