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Inheritance is a fundamental concept in object-oriented programming where a new class is created from an existing class. In this Java code, we have an Animal class with a method 'walk'. A new class, Bird, is created which extends the Animal class, inheriting its methods and adding new ones like 'fly' and 'sing'.
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The solution creates a Bird object and calls the methods 'walk', 'fly', and 'sing'. The 'walk' method is inherited from the Animal class, while 'fly' and 'sing' are methods of the Bird class. This demonstrates how a subclass can inherit methods from a superclass and also define its own methods.
/**
*
*/
package com.javaaid.hackerrank.solutions.languages.java.oop;
/**
*
*/
class Animal{
void walk(){
System.out.println("I am walking");
}
}
class Bird extends Animal{
void fly(){
System.out.println("I am flying");
}
//code need to be added
void sing(){
System.out.println("I am singing");
}
}
public class JavaInheritanceI {
public static void main(String args[]){
Bird bird = new Bird();
bird.walk();
bird.fly();
bird.sing();
}
}
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