Question $6$

What concept is demonstrated by the Dog class extending the class?

class Animal $\{$

void eat$()\{$

System.out.printIn$("$This animal eats food."$)$;

$\}$

$\}$

class Dog extends Animal $\{$

void bark$()\{$

System.out.println$("$The dog barks."$)$;

$\}$

$\}$

public class Main $\{$

public static void main$($String$[]$ args$)\{$

Dog myDog $=$ new Dog$()$;

myDog.eat$()$;

myDog.bark$()$;

$\}$

$\}$

Inheritance

Encapsulation

Composition

Polymorphism