public class Main extends Object{

    public static void main(String[] args) {

        Student max = new Student("Max",21);
        System.out.println(max);

        PrimarySchoolStudent jimmy = new PrimarySchoolStudent("Jimmy", 8, "Carol");
        System.out.println(jimmy);
    }
}

class Student{
    private String name;
    private int age;

    Student(String name, int age){
        this.name=name;
        this.age=age;
    }

//    @Override
//    public String toString() {
//        return super.toString();
//    }


    @Override
    public String toString() {
        return  name + " is " + age;
//        return "Student{" +
//                "name='" + name + '\'' +
//                ", age=" + age +
//                '}';
    }
}

class PrimarySchoolStudent extends Student{

    private String parentName;

    PrimarySchoolStudent(String name,int age, String parentName){
        super(name,age);
        this.parentName=parentName;
    }

    @Override
    public String toString() {
        return parentName + "'s kid, " + super.toString();
    }
}