Cats

//-------------------- Base class - Cat --------------------------
public class Cat {

    protected String name;
    protected int mustLength;
    protected String color;

    public Cat(String name, int mustLength, String color) {
        this.name = name;
        this.mustLength = mustLength;
        this.color = color;
    }

    @Override
    public String toString() {
        return "The cat's name is: " + this.name + ", Its mustache length is: " + this.mustLength
        + ", and its color is: " + this.color + ".";
    }
}

//------------------------ StreetCat ------------------------------

public class StreetCat extends Cat {

    private int numOfFights;

    public StreetCat(String name, int mustLength, String color, int numOfFights) {
        super(name, mustLength, color);
        this.numOfFights = numOfFights;
    }

    @Override
    public String toString() {
        return super.toString() + " In addition it participated in " + this.numOfFights + ".";
    }
}

//-------------------- SiamiCat -----------------------------------

public class SiamiCat extends Cat{

    private String prefFood;

    public SiamiCat(String name, int mustLength, String color, String prefFood) {
        super(name, mustLength, color);
        this.prefFood = prefFood;
    }

    @Override
    public String toString() {
        return super.toString() + " In addition its preferred food is " + this.prefFood + ".";
    }
}

//------------------------ Main class --------------------------

public class CatTypes {
    public static void main(String[] args) {
        Cat c1 = new Cat("baseCat", 10, "Blue");
        StreetCat c2 = new StreetCat("strCat", 15, "Yellow", 7);
        SiamiCat c3 = new SiamiCat("siamCat", 12, "Green", "Milk");
        System.out.println(c1.toString());
        System.out.println(c2.toString());
        System.out.println(c3.toString());
    }
}