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Pillars Of Object Oriented Programming There are 4 pillars of OOP Encapsulation Abstraction Polymorphism Inheritance General Overview of Class & Objects The class is considered a blueprint for the …
There are several articles on "how to check in Java whether a number is Automorphich or not?" which you can find on the Internet including some from popular websites like GeeksforGeeks and JavaTpoint. But they all have a similar problem. Th…
What is var? Long story short, var was introduced in Java 10 to reduce the boilerplate code. If you are java developer who have worked on multiple projects (Java version < 10) you must be aware that how annoying it is to explicitly declare …
Overview Mobile applications are becoming more resilient to reverse engineering and tampering with all kinds of client and server-side protections, binary hardening, code obfuscations, SSL pinning, et…
Introduction To Strings Strings are treated as objects in Java As it is an object memory is allocated in the heap memory It is a series of Characters or in simple words, anything in double quotes wi…
By default, Spring Boot uses logback, but you can easily integrate log4j2 with Spring Boot by removing the Starter logging library and adding the Spring Boot log4j2 library. I have created a youtube video including adding JDBC Appender. The…
Debugging your code the right way is one of the most important concepts to grasp when write code, many of us still use an excessive amount of print statements to figure out where it's all going wrong …
As an interviewer, I like to ask this question as it shows how much the candidate understands data structures, JVM internals, and generally the way of thinking when thrown into an unknown area. So why…
Given a sorted array of size N and an integer K, find the position at which K is present in the array using binary search. SOLUTION: Binary search divides the input array by half at every step. After …
Java, is it worth learning today, especially with all the new emerging programming languages? I like to evaluate decisions like this by listing out the pros, and cons, and comparing them. Java, it'…
