Pet.java

import java.util.Scanner;

public class Pet {

    private String name;
    private int mood, energy, health;

    public Pet(String name, int mood, int energy, int health) {
        this.name = name;
        this.mood = mood;
        this.energy = energy;
        this.health = health;
    }

    public Pet(String name) {
        // overloaded constructor that defaults values of happiness, energy
        // and hygiene to 100 each!
        this(name, 100, 100, 100);
    }

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

    public String getName() {
        return name;
    }

    public int getMood() {
        return mood;
    }

    public void setMood(int mood) {
        this.mood = mood;
    }

    public int getEnergy() {
        return energy;
    }

    public void setEnergy(int energy) {
        this.energy = energy;
    }

    public int getHealth() {
        return health;
    }

    public void setHealth(int hygiene) {
        this.health = hygiene;
    }

    public void walk() {
        if (this.energy <= 30) {
            this.mood -= 5;
            System.out.printf("%s does not have enough energy to walk.\n", name);
        } else {
            System.out.println("Walking the dog...");
            this.mood += 5;
            this.energy -= 20;
            this.health -= 5;
        }
    } // end walk()

    public void feed() {
        if (this.energy < 95) {
            //let user know dog does not need to be fed
            System.out.printf("%s does not need to be fed.\n", name);
        } else {
            System.out.println("Feeding the dog...");
            this.mood += 5;
            this.energy += 10;
        }
    } // end feed()

    public void clean() {
        if (this.energy < 80) {
            // let user know dog does not need to be cleaned
            System.out.printf("%s does not need to be cleaned.\n", name);
        } else {
            System.out.println("Cleaning the dog...");
            this.mood += 5;
            this.health += 30;
        }
    } // end clean()


    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int choiceMade;

        System.out.print("Enter dog's name: ");
        String dogName = input.nextLine();

        // Create a Pet object, using the 1-argument constructor!
        Pet myDog = new Pet(dogName);

        do {
            System.out.println("What action would you like to take? ");
            System.out.println(" 1 - Walk the pet" +
                    "\n 2 - Feed the virtual pet" +
                    "\n3 - Clean the virtual pet" +
                    "\n4 - Exit the program");
            choiceMade = input.nextInt();

            if(choiceMade == 1) { // call walk() method
                myDog.walk();
            } else if(choiceMade == 2) { // call feed() method
                myDog.feed();
            } else if(choiceMade == 3) { // call clean() method
                myDog.clean();
            } else if(choiceMade == 4) { // print pet info then exit the program
                print(myDog);
                System.exit(0);
            } else {
                System.out.println("Invalid choice made. Choose between 1 to 4 only.");
            }
       } while(showMenuAgain(input));
    } // end main()

    public static void print(Pet pet) {
        System.out.println("The pet's name is " + pet.getName() + ".");
        System.out.println("The pet's mood status is : " + pet.getMood());
        System.out.println("The pet's energy status is : " + pet.getEnergy());
        System.out.printf("The pet's health status is : %,d\n",pet.getHealth());
    } // end print()

    private static boolean showMenuAgain(Scanner s) {
        System.out.print("\nShow menu again? (Y or N): ");
        char response = s.next().charAt(0);

        while(!((response == 'y')
                || (response == 'Y')
                || (response == 'N')
                || (response == 'n'))) {
            System.out.print("\nInvalid input. ");
            System.out.print("Do you want show menu? (Y or N): ");
            response = s.next().charAt(0);
        } // end while, input validation
        return response == 'y' || response == 'Y';
    } // end showMenuAgain()


} // end Pet class