Java Instanceof keyword Hackerrank Solution
Java Instanceof keyword Hackerrank Solution The Java instanceof operator is used to test if the object or instance is an instanceof the specified type. In this problem we have given you three …
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Java Instanceof keyword Hackerrank Solution The Java instanceof operator is used to test if the object or instance is an instanceof the specified type. In this problem we have given you three …
Java Method Overriding 2 (Super Keyword) Hackerrank Solution When a method in a subclass overrides a method in superclass, it is still possible to call the overridden method using super keyword. If …
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Java Inheritance II Hackerrank Solution Write the following code in your editor below: A class named Arithmetic with a method named add that takes 2 integers as parameters and returns an integer denoting their sum. A …
Java Inheritance I Hackerrank Solution Using inheritance, one class can acquire the properties of others. Consider the following Animal class: class Animal{ void walk(){ System.out.println(“I am walking”); } } This class has only …
Java BitSet Hackerrank Solution Java’s BitSet class implements a vector of bit values (i.e.: false(0) or true (1)) that grows as needed, allowing us to easily manipulate bits while optimizing space (when compared to other …
Java Comparator Hackerrank Solution Comparators are used to compare two objects. In this challenge, you’ll create a comparator and use it to sort an array. The Player class is provided for you …
Java Generics Hackerrank Solution Generic methods are a very efficient way to handle multiple datatypes using a single method. This problem will test your knowledge on Java Generic methods. Let’s …
Java Hashset HackerRank Solution In computer science, a set is an abstract data type that can store certain values, without any particular order, and no repeated values(Wikipedia).{1,2,3} is an example of …
Java Map HackerRank Solution You are given a phone book that consists of people’s names and their phone number. After that you will be given some person’s name as query. …
Java 1D Array (Part 2) HackerRank Solution Let’s play a game on an array! You’re standing at index 0 of an n-element array named game. From some index (where 0<=i<n), you can perform one of the …