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Introduction This guide walks you through migrating an existing Tomcat application to AWS ECS Fargate — covering everything from session ma
Java 17 Sealed Classes Explained with Examples (2026) Java 17 sealed classes explained with examples. Learn how to implement sealed classe
Most enterprise training programs focus on theory instead of real implementation. I’ve published 2 practical guides covering: ✔ Enterprise Java trai
Cell-Based Architecture: The Only Way to Survive the 2026 Agentic Loop Explosion In 2026, autonomous agent loops are the ultimate "noisy ne
List Interface in Java 👉 List is an interface in Java Collections Framework that represents an ordered collection of elements (sequence) where duplica
Java 25 New Features and Enhancements Complete Guide Explore the latest Java 25 updates with this comprehensive guide covering new feature
Collections Framework │ ├── Collection (interface) │ ├── List │ ├── Set │ └── Queue │ ├── Map (separate hierarchy) │ └── Collections (utility cl
1. break Used to immediately stop a loop or switch. for(int i=1; i5; i++) { if(i == 3) { break; } System.out.println(i); } Outp
Mastering Java 21 Pattern Matching for Switch and Record Patterns Explore the latest advancements in Java 21 pattern matching for switch a
Java 26 Project Panama Foreign Function API Improvements: A Comprehensive Guide (2026) Java 26 Project Panama foreign function API improve
Hi all, JavaScript is one of the most popular programming languages used for creating websites and web applications. To begin learning JavaScript, it
You've broken your monolith into six services. They deploy independently. They have separate repos. And yet — one "simple" business operation touches
Stop Shipping Hallucinations: Automating RAG Faithfulness with Spring AI 1.2 If you’re still "vibe-checking" your RAG outputs in 2026, you’
Last weekend I built a small CLI tool to compare Spring Boot config files across profiles. Then I ran it against a handful of well-known open-source S
Connect Google Gemini AI with Spring Boot and React AI is no longer a concept reserved only for research labs or big tech companies. Toda
One of the most dangerous production problems in Spring Boot APIs is not CPU usage. It is: Thread Pool Exhaustion Connection Pool Exhaustion This i
1.Error: Accessing Instance Global Variable in Static Method class GlobalError1 { int cost = 1000; // instance global variable public st
O Java possui APIs úteis para o desenvolvimento e uma delas é a API Collections. A API de coleções do java é algo que você usará todo o dia, mesmo que
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