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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
Styling in ReactJS – A Complete Guide with Example and Project Structure
When developing applications in ReactJS, styling plays a crucial role in both the visual appeal and maintainability of your components.
How to Use @Autowired in Spring Framework
In Spring, the @Autowired annotation is one of the most powerful and widely used features for dependency injection. It allows
Integrate AWS SQS with Java Using Spring Cloud AWS (Including FIFO & DLQ Support)
In this tutorial, you’ll learn how to build a Spring Boot application using Spring Cloud AWS to interact with Amazon
Event-Driven Architecture with AWS Lambda & Amazon SQS Java
Using AWS Lambda to process messages from Amazon SQS is a powerful serverless pattern that allows you to scale seamlessly
Amazon SQS with Spring Boot Using Spring Cloud AWS
Amazon SQS (Simple Queue Service) is a fully managed message queuing service that enables decoupled and scalable microservice communication. Integrating
Using @Service Annotation in Spring Boot: A Detailed Guide
The @Service annotation in Spring Boot is one of the core stereotype annotations used to define business logic in a
Understanding REST Protocol and HTTP Methods with Java & Spring Boot
Introduction REST (Representational State Transfer) is an architectural style used for designing networked applications. It relies on a stateless, client-server
How to Use Bean Scopes in Spring Framework
In the Spring Framework, a bean scope determines the lifecycle and visibility of a bean within the Spring context. Spring
Designing an Event-Driven Architecture in Java with Spring Boot
In today’s distributed systems world, responsiveness, scalability, and loose coupling are top priorities. Event-Driven Architecture (EDA) is a powerful design