Here, you will get the solutions to Hacker Rank problems.
Java SHA-256 hackerrank Solution Cryptographic hash functions are mathematical operations run on digital data; by comparing the computed hash (i.e., the output produced by executin... Read more
Java allows for Covariant Return Types, which means you can vary your return type as long you are returning a subclass of your specified return type. Method Overriding allows a sub... Read more
Java Annotations HackerRank Solution Java annotation can be used to define the metadata of a Java class or class element. We can use Java annotation at the compile time to instruct the compi... Read more
Java Visitor Pattern Hackerrank Solution In this problem you must NOT generate any output on your own. Any such solution will be considered as being against the rules and its... Read more
Java Singleton Pattern Hackerrank Solution Complete the Singleton class in your editor which contains the following components: A private Singleton non parameterized constructor. A... Read more
Java Factory Pattern Hackerrank Solution According to Wikipedia, a factory is simply an object that returns another object from some other method call, which is assumed to be “new... Read more
Prime Checker HackerRank Solution You are given a class Solution and its main method in the editor. Your task is to create a class Prime. The class Prime s... Read more
Java Exception Handling hackerrank solution You are required to compute the power of a number by implementing a calculator. Create a class MyCalculator which consists of a single m... Read more
Java Exception Handling (Try-catch) Hackerrank Solution Exception handling is the process of responding to the occurrence, during computation, of exceptions – anomalous or exceptional condit... Read more
Java Iterator HackerRank Solution Java Iterator class can help you to iterate through every element in a collection. Here is a simple example: import java.util.*; public class Example{ publi... Read more