JAVA Topics

Handle Horror Of NullPointerException Using Optional Class

Introduction Everyone knows the horror of NullPointerException. If we do not put checks on the null value then the execution…

Core Java Quiz 3 – Collections Framework

Core Java Quiz – 2 – Arrays

In this post, we will learn the basic concepts of Arrays by attempting objective questions. Hope it will be helpful…

Core Java Quiz – 1 – Variables

Let’s attempt some basic Java questions and learn. If you have any doubt, feel free to comment below.If…

getOrDefault() – A Method Of Map Interface In Java

Let’s start with a simple Java program and understand:- package Concepts; import java.util.HashMap; import java.util.Map; public class GetOrDefaultMethodExample { public…

Java Program To Find Closest Value Of A Given Number In Sorted Array

We have already learned a Java Program to find the closest value of a given number in an unsorted array.…

Java Program To Find Closest Value Of A Given Number in Unsorted Array

I have explicitly added the term “Unsorted” array but the interviewer may not say this piece of information and expect…

Java Interview Question 4 – What is HashCode of an Empty String?

As a part of Java Interview Questions, in this post, we will see an interview question which I faced in…

REST Assured Tutorial 3 – Static Import in Java

Introduction As a part of the End to End REST Assured Tutorial, in this post, we will learn the static import concept…

How Much Java Required For Selenium?

“How much Java I need to learn for selenium with Java binding?” is mostly asked question by a Professional who…