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Java 21 Structured Concurrency (Incubator): A Practical Guide with Real-World Examples
1. Introduction Structured Concurrency, introduced as an incubator feature in Java 21, is a modern approach to managing multiple concurrent
Java 21 Sequenced Collections Explained: Ordered List, Set, and Deque for Real-World Applications
1. Introduction Java 21 introduced a powerful enhancement to the Collections Framework called Sequenced Collections. This feature provides a standardized
Java 21 Pattern Matching for Switch – Real-World Guide with Practical Examples
Java 21 Pattern Matching for Switch – Real-World Guide with Practical Examples 1. Introduction Java 21 brings powerful language improvements,
Spring Boot Testing Annotations Explained
1. Introduction In modern Spring Boot applications, testing is an essential component of maintaining reliability, ensuring correctness, and accelerating feature
Spring Boot Validation & Security: Complete Guide
1. Introduction Input validation and authorization are two critical pillars of secure backend application development. In Spring Boot, these capabilities
How to Use Spring Data JPA: Complete Guide to @Entity, @Repository, and JPA Annotations
1. Introduction Data access is a core requirement in any enterprise application. Spring Boot simplifies database interaction through Spring Data
How to Use cacheSignal in React 19: Complete Guide to Server Component Caching
1. Introduction React 19 introduced a powerful new API called cacheSignal for Server Components. As modern React applications rely heavily
How to Use the useEffectEvent Hook in React 19: A Complete Technical Guide
1. Introduction React 19 introduces several improvements to state and side-effect handling, and one of the most notable additions is
How to Use the React 19 <activity> Activity Component: Full Guide with Real Examples</activity>
1. Introduction React 19 introduced several new capabilities aimed at improving performance, interactivity, and developer experience. One of the most
Designing Scalable Event-Driven & Reactive Microservices Architecture in Spring Boot
1. Introduction In today’s fast-paced software landscape, systems must be responsive, scalable, and maintainable. Traditional monolithic architectures often fail to
Building Cloud-Native and Serverless Applications with Java and Spring Boot
1. Introduction As enterprise systems continue to scale and evolve, traditional monolithic Java applications often struggle to meet modern performance,
Scaling Spring Boot on ECS with a Shared PostgreSQL Database: Patterns for Safe Concurrency
Multiple identical application containers talk to a single Postgres DB. Without coordination you risk: Goal: ensure correctness (no data corruptionAll Stories
Java 8 Functional Interfaces
Introduction Java 8 introduced Functional Interfaces, a core feature that enables functional programming in Java. Functional interfaces are used extensively
Spring WebClient vs RestTemplate
Introduction Spring Boot provides two primary ways to make HTTP calls: RestTemplate and WebClient. While RestTemplate has been a long-standing
Spring Boot Dependency Injection: A Comprehensive Guide
Introduction Dependency Injection (DI) is a core concept in Spring Boot that promotes loose coupling and enhances code maintainability. It
Spring Boot Profile Feature: A Comprehensive Guide
Spring Boot provides the Profile feature to configure different environments such as development, testing, and production.
Java 8 Lambda Expressions: A Comprehensive Guide
Java 8 introduced lambda expressions, which provide a clear and concise way to represent anonymous functions. Lambdas help in reducing