Interview

Everything about Graph Data Structure : An Overview

In a directed graph, a path is cycle if first and…

Expand from Center Algorithm — DP Pattern — Palindrome

Elevate Your Java Skills: Advanced Recursion Strategies for Technical Interviews

Transform Your Java…

Every Sorting Algorithm You Must Know : Interview Preparation

There are a few Sorting Algorithms, that are required…

Unlocking Synchronization: Exploring Cyclic Barrier in Java for Efficient Thread Coordination

A Guide to Writing log4j2.xml for Efficient Logging

Logging is a crucial aspect of software development, providing insights into the behavior and performance of your application. Apache Log4j2 is a popular logging framework for Java applications, offering a flexible and customizable logging…

One of the Main Tricks to Make Your Code Run Faster on LeetCode

Improving Your Solution While Coding…

Mastering Resource Management in Java with Try-with-Resources and AutoCloseable

Resource management is a critical aspect of writing robust and efficient Java code. In the past, developers had to explicitly close resources like files, sockets, or database connections, which…

Ultimate Guide to Acing Your Java Developer Interview: Key Concepts, Code Examples & Tips

Java Interview Question Series 1

Q1. How to create Immutable class in Java?

Immutable class in java means that once an object is created, we cannot change its content. In Java, all the wrapper classes(like Integer, Boolean, Byte, Short) and String class is immutable. We can…