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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
Understanding useRef and Refs in ReactJS (With Full Examples)
When building React applications, there are situations where you may need to directly access or interact with a DOM element
Understanding @Bean and @Autowired Annotations in Spring Framework
The Spring Framework offers powerful dependency injection features that simplify Java application development. Two commonly used annotations in Spring are
Using Multiple useEffect Hooks in a Single React Component
React’s useEffect hook allows functional components to perform side effects such as data fetching, subscriptions, or manually changing the DOM.
Serving a ZIP File in Java with Spring Boot and Downloading It in ReactJS
This article demonstrates how to implement a REST API in Java using Spring Boot to serve a ZIP file and
Getting Started with Lombok in Java
Project Lombok is a Java library that helps reduce boilerplate code. It uses annotations to generate commonly used code like
Understanding and Using Optional in Java
Optional is a container object introduced in Java 8 that may or may not contain a non-null value. It helps
Using @Async in Spring Boot for Asynchronous Processing
Spring Boot provides the @Async annotation to execute methods asynchronously. This improves application performance by freeing up the main thread
Java Multiple Threading using CompletableFuture and allOf Method: A Comprehensive Guide with Examples
Java introduced the CompletableFuture class in version 8 as part of the java.util.concurrent package. This class enables asynchronous programming and
Using @Modifying and @Transactional in Spring JPA
Spring Data JPA provides powerful annotations like @Modifying and @Transactional to perform update and delete operations efficiently. These annotations allow