IntelliJ IDEA Tips and Tricks for Jakarta EE and Java 21 Development

IntelliJ IDEA offers an extensive array of powerful features that significantly enhance Jakarta EE and Java 21 development productivity. Let’s explore these capabilities in detail with comprehensive explanations and practical examples. Jakarta EE Development Features Example of namespace migration: Example preview: Example of Spring configuration: Example of entity mapping: Example of microservice configuration: Example of … Read more

Virtual Threads vs. Traditional Threading: Performance Benchmarks You Need to See

Virtual threads, introduced in Java 19, represent a revolutionary advancement in Java’s concurrency model, fundamentally changing how we approach concurrent programming. Let’s examine their performance characteristics compared to traditional threads through comprehensive benchmarks and real-world scenarios. Performance Comparison Let’s visualize these dramatic differences: Practical Benchmarks Here’s a comprehensive benchmark demonstrating thread creation and execution patterns: … Read more

What are some common challenges organizations face during migration from Java EE to Jakarta EE?

The migration from Java EE to Jakarta EE presents organizations with a complex set of challenges that span technical, organizational, and strategic domains. Each challenge requires careful consideration and specific mitigation strategies to ensure a successful transition. Technical Challenges This simple-looking change must be applied consistently across hundreds of dependencies while ensuring compatibility between updated … Read more

Spring Rest Web Service Client and Server

Hey there, developers! In this enhanced tutorial, we’ll build a Spring RESTful web service using Java 21 and Spring Boot 3, complete with an embedded PostgreSQL database. We’ll then create a client and use JUnit with Jersey Test to thoroughly test our service. Let’s get started! Prerequisites Before we begin, ensure you have the following … Read more

Setting Up Your First Java Development Environment with IntelliJ IDEA (Beginner’s Guide)

Welcome to the world of Java development! Before you can start writing amazing Java programs, you need to set up your development environment. This involves installing two key components: Let’s get started! Step 1: Install the Java Development Kit (JDK) The JDK is essential for Java development. It provides the compiler, runtime environment, and other … Read more