JUnit, Java's most ubiquitous testing framework, is getting an update. In part one of our JUnit 5 coverage, we looked at how we got here and wrote some preliminary tests. In part two, we take a closer look at how to run tests and at some of the very cool new features JUnit 5 brings to the table for us developers.
Accessing multiple databases in enterprise applications can be a challenge. With Spring it is easy enough to define a common data source, but once we introduce multiple data sources things get tricky. This article demos a technique for accessing multiple databases in Spring Boot applications easily and with minimum configuration.
JUnit 5 is coming! It thoughtfully improves the JUnit API, has a great extension model, and a revolutionary architecture, which might very well redefine the future of testing on the JVM.
HTTP-RPC is an open-source framework for creating and accessing cross-platform polyglot RESTful web services using a convenient, RPC-like metaphor, while preserving fundamental REST principles. 3
If you ever wondered what happens when your bytecode executes, join former Oracle G1GC perf-lead Monica Beckwith in her guided tour of JIT compilation and runtime optimizations in OpenJDK HotSpot VM.
Configuration is one of the most widely used cross-cutting concerns in application development. Apache Tamaya is a new incubator project that brings standardized property management to Java.
In this article we deep dive into two bytecode manipulation frameworks: Javassist and ASM, valuable tools for performing tasks that are otherwise impossible. And once you learn it the sky's the limit! 2
In this 2nd installment on diagnosing performance issues, performance guru Andreas Grabner focuses on spotting performance & scalability issues in distributed Microservice Oriented Architecture
Angular 2 & TypeScript have brought true object oriented development to the world's most popular web development framework. This article provides a high-level overview of Angular 2. 8
Reveno is a powerful new, performant, JVM based lock-free transaction processing framework based on CQRS and event-sourcing patterns. In this article we develop a simple trading system using Reveno. 2
In this article, we take a deep dive into Java's invokedynamic and explain why it is such a powerful tool for the Java platform and for JVM languages such as JRuby and Nashorn. 1
In this article we explore how to create automated fluent BDD scenarios using the Screenplay Pattern – a possible outcome of mercilessly refactoring Page Objects using SOLID design principles. 3