import java.util.*;
/**
 * Write a description of class School here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class School
{
    // instance variables - replace the example below with your own
    protected ArrayList<Person> students = new ArrayList<Person>();
    private ArrayList<Person> teachers = new ArrayList<Person>();
    private ArrayList<LabClass> classes = new ArrayList<LabClass>();

    /**
     * Constructor for objects of class School
     */
    public School()
    {
        // initialise instance variables
    }
    
   public void printStudents()
   {
       for(Person person : students)    {
           person.print();
        }
    }
    
    public void printTeachers()
    {
        for(Person person : teachers)   {
            person.print();
        }
    }
    
    

    
}