package ceccs;

public class MyProgram {

    public static void main(String[] args){
        System.out.println("The species of the dog is " + Dog.species);
        Dog.bark();

        Dog myDog = new Dog();
        myDog.name = "Jennifur";
        myDog.gender = 'f';
        myDog.ageYrs = 16;
        myDog.breed = "Poodle";
        myDog.weight = 120;

        Dog yourDog = new Dog();
        yourDog.name = "Brover";
        yourDog.gender = 'm';
        yourDog.breed = "Chihuahua";
        yourDog.weight = 7;
        yourDog.ageYrs = 100;

        System.out.println("My dog's name is " + myDog.name);

        System.out.println("Your dog's name is " + yourDog.name);

        if(myDog.weight > yourDog.weight) {
            System.out.println("My dog is bigger than yours nanananana!");
        } else {
            System.out.println("Big dogs are over rated.");
        }

        System.out.println("Your Dog is " + yourDog.ageYrs + " years old.");
        System.out.println("In dog years that's " + yourDog.getAgeInDogYears());

        System.out.println("My Dog is " + myDog.ageYrs + " years old.");
        System.out.println("In dog years that's " + myDog.getAgeInDogYears());
        myDog.happyBirthday();
        System.out.println("... it's one year later.");
        System.out.println("My Dog is " + myDog.ageYrs + " years old.");
        System.out.println("In dog years that's " + myDog.getAgeInDogYears());
        // Note we don't call happy birthday for yourDog

        System.out.println("Your Dog is " + yourDog.ageYrs + " years old.");
        System.out.println("In dog years that's " + yourDog.getAgeInDogYears());

    }
}

package ceccs;

public class Dog {

    //instance variables or instance data
    String name;
    float weight;
    int ageYrs;
    String breed;
    char gender;

    //Static variables belong to the whole class
    static String species = "Canis lupus familiaris";

    //constructor - called with 'new' to create and initialize a dog
    Dog() {
        name = "No Name";
        weight = 0;
        ageYrs = 0;
        breed = "No Breed";
        gender = 'x';
    }

    void happyBirthday(){
        ageYrs++;
    }

    int getAgeInDogYears(){
        int dogYears;
        // large dog?
        if (weight > 40) {
            dogYears = ageYrs * 8;
        } else {
            dogYears = ageYrs * 5;
        }
        return dogYears;
    }

    static void bark(){
        System.out.println("Woof! Woof!");
    }
}