content: 
  /**
   * Write a description of class Driver here.
   *
   * @author Gustav Sejr Rasmussen
   * @version 05-10-2020
   */
  public class Driver
  {
      public static void exam() {
          Animal a1 = new Animal("Elephant" , 10, 15);
          Animal a2 = new Animal("Tiger", 9, 2);
          Animal a3 = new Animal("Elephant", 11, 13);
          Animal a4 = new Animal("Monkey", 20, 20);
          Animal a5 = new Animal("Lion", 9, 5);
  
          System.out.println("Opgave 3:");
          System.out.println("************************");
          System.out.println(a1.toString());
          System.out.println(a2.toString());
          System.out.println(a3.toString());
          System.out.println(a4.toString());
          System.out.println(a5.toString());
          System.out.println("************************");
          System.out.println("");
  
          Zoo z = new Zoo("Zoo");
          z.add(a1);
          z.add(a2);
          z.add(a3);
          z.add(a4);
          z.add(a5);
  
          System.out.println("Opgave 8:");
          System.out.println("************************");
          System.out.println("No. of animals in zoo: " + z.animals());
          System.out.println("************************");
          System.out.println("");
          System.out.println("");
  
          System.out.println("Opgave 9:");
          System.out.println("************************"); 
          System.out.println("Største dyrepopulation:");
          System.out.println(z.largestPopulation());
          System.out.println("************************");
          System.out.println("");
          System.out.println("");
  
          System.out.println("Opgave 10:");
          System.out.println("************************"); 
          z.printZoo();
          System.out.println("************************"); 
      }
  }
  