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Introduction In Java, constructors play a crucial role in initializing objects. Whenever an object is created, a constructor is automatical
Given an array containing only 0, 1, and 2, sort it in-place so that all 0s come first, followed by 1s, and then 2s. Example: Input: [2,0,2,1,1
JavaScript Type Conversion *Converting Strings to Numbers *Converting Numbers to Strings *Converting Dates to Numbers *Converting Numbers to Dates *
Java is one of the most popular object-oriented programming languages, and one of its powerful features is Method Overloading. Method overloading allo
Exception handling is an important feature in Java that helps developers manage runtime errors gracefully. Two commonly used keywords in exception ha
Java's execution model is built around three closely related stack structures that work together whenever a method runs. JVM Stack (Thread Stack) Ev
Given an integer array nums, find the contiguous subarray with the largest sum and return its sum. My First Thought (Brute Force) The mo
JWT Authentication in Spring Boot: A Complete Guide for Java Backend Engineers Stateless authentication is the backbone of modern REST APIs
Hey! Let me start with a simple question. When you go to the grocery store — you pick up items and put them in a basket. The basket holds everything
When learning a new programming language, the default approach is usually to start with the syntax. For complete beginners, starting with syntax and g
A practical comparison of tools that protect source code and sensitive data from leaking to AI assistants — across deployment model, target user, and
Published 2026-06-01 by Shubham Bhati — Backend Engineer (Java 17, Spring Boot, Microservices). As Java developers, we've all been there - stuck
OpenAI in Production: A Java Backend Engineer's Field Notes By Shubham Bhati — Backend Engineer at AlignBits LLC Most "OpenAI tutorials
One of the most interesting aspects of architectural frameworks is not the rules themselves, but the ability to verify that those rules are actually b
1. Start a new Spring Boot project Use start.spring.io to create a project with jooq 2. Add dependency gradle: implementatio
Publishing a homelab service shouldn't take six steps Every time I wanted to expose a new container in my homelab, I went through the same
Launching a startup is a race against time. Founders need to validate ideas quickly, release products before competitors, and adapt fast based on use
Introduction: Modern LLM-powered applications require external tools to interact with real-systems such as a databases, APIs, cloud platforms, and ent
We test our Java code, our APIs, our frontend, and even our infrastructure. Yet database migrations—one of the most critical and high-risk parts of an