public static void main(String[] args) {
Building b = new Building();
b.area = 1000;
b.location = "Hrasnicka 17";
b.population = 1000;
University u = new University();
u.area = 500;
u.location = "Butmirska 100";
u.population = 1200;
u.name = "IUS";
u.isItPublic = false;
u.numberOfFaculties = 3;
u.numberOfStaff = 200;
System.out.println(u.getPopulationDensity());
u.printInformation();
Hospital h = new Hospital();
h.area = 200;
h.location = "Vrbanja 12";
h.population = 50;
h.hasCTMachine = false;
h.isItPublic = false;
h.numberOfSurgeons = 20;
h.numberOfBeds = 20;
System.out.println(h.getPopulationDensity());
Jail j = new Jail();
j.area = 2000;
j.location = "Grbavicka 12";
j.population = 1600;
j.hasGym = true;
j.numberOfCells = 800;
j.numberOfFreeCells = 0;
j.securityLevel = "Max";
System.out.println(j.getPopulationDensity());
System.out.println(j.getNumberOfOccupiedCells());
}
