/**
 * @(#)Obiektowka.java
 *
 * Obiektowka application
 *
 * @author
 * @version 1.00 2019/1/19
 */

public class Obiektowka {

    public static void main(String[] args) {
        Person p1 = new Person("Janek","Nowak",14);
        Student s1 = new Student(p1);
        System.out.println(s1.toString());
    }
}

interface StudentIDSetting{
    public void setStudentID();
}

class Person{
    private String name;
    private String surname;
    private int age;

    Person(String name , String surname, int age){
        this.name = name;
        this.surname = surname;
        this.age = age;
    }
    public String toString(){
        return ("Imie: " +name +" Nazwisko: " + surname +" Wiek: "+age);
    }


class Student implements StudentIDSetting{
    private Person person;
    private int studentID;
    private String fieldOfStudy;
    private int nextStudentID = 1234;
    private boolean semesterCompleted = false;


    public void Student(Person person){
        setStudentID();
        nextStudentID++;
        this.person = person;
    }
    public void setFieldofStudy(){
    }
    public String getFieldOfStudy(){
        return "ds";
    }
    public void completeSemester(){
    }
    public String toString(){
        return "whole";
    }

    public void setStudentID(){
    }
}


}