AnimalDemo.java

public class AnimalDemo
{
    public static void main(String[] args)
    {

        Chimp peter = new Chimp();
        Dog lucky = new Dog();
        Elephant murphy = new Elephant();

        peter.printDetails();

        peter.setGender("male");
        peter.setLegs(3);
        peter.setEyes("brown");
        peter.setTail(5);

        peter.printDetails();

        peter.setLegs(4);
        peter.setGender("female");
        peter.setEyes("orange");

        peter.printDetails();
        lucky.printDetails();
        murphy.printDetails();
    }
}