Main1.java

class Dog {
    private String name;
    private double weightInKg;

    public Dog(String name, double weightInKg) {
        this.name = name;
        this.weightInKg = weightInKg;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public double getWeightInKg() {
        return weightInKg;
    }

    public void setWeightInKg(double weightInKg) {
        this.weightInKg = weightInKg;
    }

    @Override
    public String toString() {
        return "Dog [name=" + name + ", weightInKg=" + weightInKg + "]";
    }

    public String bark() {
        return "woof";
    }
}

class PitBull extends Dog {
    private double mouthCapacityInGrams;

    public PitBull(String name, double weightInKg, double mouthCapacityInGrams) {
        super(name, weightInKg);
        this.mouthCapacityInGrams = mouthCapacityInGrams;
    }

    public double getMouthCapacityInGrams() {
        return mouthCapacityInGrams;
    }

    public void setMouthCapacityInGrams(double mouthCapacityInGrams) {
        this.mouthCapacityInGrams = mouthCapacityInGrams;
    }

    @Override
    public String toString() {
        return "PitBull [name=" + getName() + ", weightInKg=" + getWeightInKg() + ", mouthCapacityInGrams="
                + mouthCapacityInGrams + "]";
    }

    public void attack() {
        double increaseWeight = mouthCapacityInGrams / 1000;
        setWeightInKg(getWeightInKg() + increaseWeight);
        System.out.println(getName() + " rips its victim to shreds with its vicious jaws");
    }
}

class Pomeranian extends Dog {
    public Pomeranian(String name, double weightInKg) {
        super(name, weightInKg);
    }

    @Override
    public String bark() {
        return "yap yap yap";
    }

    public void huntGopher() {
        System.out.println(getName() + " digs into gopher burrow in single-minded quest of prey");
    }
}

public class Main1 {
    public static void main(String[] args) {
        PitBull fifi = new PitBull("Fifi", 25.5, 500); // Name, weightInKg, mouthCapacityInGrams
        Pomeranian thor = new Pomeranian("Thor", 5.2); // Name, weightInKg

        System.out.println(fifi);
        System.out.println(thor);

        System.out.println("Fifi barks: " + fifi.bark());
        System.out.println("Thor barks: " + thor.bark());

        fifi.attack();
        thor.huntGopher();

        System.out.println("After attack, Fifi's weight: " + fifi.getWeightInKg() + " kg");
    }
}