First Look at Inheritance

Here is the pet(parent) class

public class Pet {
 private String owner;
 private String name;
 private String type;
 private char gender;

 
 public void setOwner(String owner){
  this.owner=owner;
 }
 
 public String getOwner(){
  return owner;
 }

 public String getName() {
  return name;
 }

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

 public String getType() {
  return type;
 }

 public void setType(String type) {
  this.type = type;
 }
 
 public void setGender(char gender ){
     gender=Character.toUpperCase(gender);
  if (gender=='F' || gender=='M'){
   this.gender=gender;
  }
  else{
   this.gender='U';
  }
 }
 
 public char getGender(){
  return gender;
 }
 
 public String getPetInfo()
 {
  return getName() + ", " + getType() + ", " + getGender();
 }


 
 
   
 }
 

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Here is the interface ISound

public interface ISound {
 public String makeSound();
}

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Here is the dog class that inherits from pet and implements the interface ISound

---

public class Dog  extends Pet implements ISound{
    private String breed;
    private String color;
    
 public String getBreed() {
  return breed;
 }
 public void setBreed(String breed) {
  this.breed = breed;
 }
 public String getColor() {
  return color;
 }
 public void setColor(String color) {
  this.color = color;
 }
 
 public String getPetInfo()
 {
  String info = super.getPetInfo();
  return info + ", " + getBreed();
 }
 @Override
 public String makeSound() {
  
  return "bark";
 }
    
}

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Finally here is the Program class with the main

public class Program {

 /**
  * @param args
  */
 public static void main(String[] args) {
  Dog d= new Dog();
  
  d.setBreed("Beagle");
  d.setGender('m');
  d.setName("Spot");
  d.setType("Dog");
  
  System.out.println(d.getPetInfo());
  System.out.println(d.makeSound());

 }

}