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Java Inheritance I Hakerrank Solution

 Java Inheritance I Hakerrank Solution

For Explanation Watch Video:


import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

class Animal{
    void walk(){
        System.out.println("I am walking");
    }
}

class Bird extends Animal{
    void fly(){
        System.out.println("I am flying");
    }
    void sing(){
        System.out.println("I am singing");
    }
}


public class Solution{

   public static void main(String args[]){

      Bird bird = new Bird();
      bird.walk();
      bird.fly();
      bird.sing();
    
   }
}

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