HackerRank Java- Inheritance I
The code above is provided for you in your editor. You must add a sing method to the Bird class, then modify the main method accordingly so that the code prints the following lines:
I am walking
I am flying
I am singing
- 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();
-
- }
- }