 | Session 3 |  |
Program example
Here you can find the final code of the files.
File name: Dog.java
// Object class declaration
public class Dog {
// Instance fields
private String name;
private String breed;
private int age;
private String size;
private String color;
private String accent = "bow-wow";
// Constructor
public Dog (String name, String breed, int age, String size, String color) {
this.name = name;
this.breed = breed;
this.age = age;
this.size = size;
this.color = color;
}
// Default constructor
public Dog() {
this("No name","Unknown",0,"Unknown","Unknown");
}
// Add getters (accessor methods)
public String getName() {
return name;
}
public String getBreed() {
return breed;
}
public String getSize() {
return size;
}
public int getAge() {
return age;
}
public String getColor() {
return color;
}
public String getAccent() {
return accent;
}
// Add setters (mutator methods)
public void setName(String name) {
this.name = name;
}
public void setBreed(String breed) {
this.breed = breed;
}
public void setSize(String size) {
this.size = size;
}
public void setAge(int age) {
this.age = age;
}
public void setColor(String color) {
this.color = color;
}
public void setAccent(String accent) {
this.accent = accent;
}
// Object behavior (methods)
public String woofing() {
return ("The dog "+name+" makes sound like "+accent);
}
public String toString() {
return "Name: "+name+"Breed: "+breed+" Size: "+size+" Age: "+age+" Color: "+color +" Accent: "+accent;
}
}
File name: Execusion.java
public class Execute{
// main method
public static void main(String[] args){
// Create an instance of the object class for labrador Liza
Dog liza = new Dog("Liza","labrador",3,"small","brown");
System.out.println(liza.woofing());
Dog marfa = new Dog("Marfa", "beagle", 5, "small", "yellow-white-black");
System.out.println(marfa.getBreed());
// An array of objects
Dog[] pet_shop = {liza, marfa};
// Print info about each dog in the pet shop
for (Dog d: pet_shop) {
System.out.println(d);
}
}
}
| Session 3 | |