Test5Main.java

package people;

import java.util.*;

public class Test5Main {

    // Method prints all the people in the parameter list.
    public static void printDepartment(List<Person> people) {
        
        for (Person person : people) {
            // For each person in the list, print out the default toString
            System.out.println(person);
        }
    }
    
    public static void main (String[] args) {
        
        List<Person> people = new ArrayList<Person>();
        
        people.add( new Teacher("Pekka Mikkola", "Korsontie Street 1 03100 Vantaa", 1200) );
        people.add( new Student("Olli", "Ida Albergintie Street 1 00400 Helsinki") );
        people.add( new Teacher("Esko Ukkonen", "Mannerheimintie 15 Street 00100 Helsinki", 5400) );

        printDepartment(people);
 
    }
}