Java - main Human Student

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package javaapplication16;

/**
 *
 * @author fmi
 */
public class JavaApplication16 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Human stoyan = new Human(); // Human("Stoyan", 50);
        stoyan.name = "Stoyan";
        stoyan.age = 50;

        Human ivan = new Human(); // Human("Ivan", 24);
        ivan.name = "Ivan";
        ivan.age = 24;

        Student niki = new Student();
        niki.name = "Niki";
        niki.age = 30;
        niki.fnumber = 123344567L;

        // System.out.println(stoyan.name + " is " + stoyan.age + " old.");
        stoyan.introduceYourself();
        ivan.introduceYourself();
        niki.introduceYourself();

    }
}