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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
Circuit Breakers in Spring Boot: Ensuring Resilient Microservices
In distributed systems, failures are inevitable. A downstream service might become unavailable, or a network might experience latency issues. Circuit
What is Type Annotations in Java 8
Java 8 introduced Type Annotations, a powerful feature that expands the scope of annotations in Java programming. Previously, annotations could
Understand ReactJS Virtual DOM
ReactJS, a popular JavaScript library for building user interfaces, employs a powerful concept known as the Virtual DOM to optimize
ReactJS Concurrent Rendering for Real-Time Data Visualization
Scenario You’re managing: Concurrent rendering ensures that real-time data updates don’t block user interactions, while filter changes and graph re-rendering
Handling Exceptions in Spring Boot with @ControllerAdvice
Introduction In a Spring Boot application, handling exceptions gracefully is crucial for providing meaningful error responses to clients. Instead of
Spring Data JPA example with CRUD
Spring Data JPA is a powerful framework for managing the persistence layer in Java applications. It simplifies database interactions by
Fetching Data from an API using useEffect
Let’s build a simple React app that fetches and displays user data from an API when the component mounts to
Java 11 Local-Variable Syntax for Lambda Parameters
Java 11 introduced a fantastic feature—Local-Variable Syntax for Lambda Parameters—designed to make coding simpler, cleaner, and more consistent. This enhancement
How to chop a list into small chunks in Java?
Pagination is useful when dealing with large datasets, allowing us to process or display data in chunks rather than all
