A Functional Approach to Given When Then Using Java 8 - DZone
The Given-When-Then story Given-When-Then started out as a pattern for writing tests, notably with BDD. The idea is to split the test into three parts: Given: The initial context is received. When: One or more actions are performed. Then: The action results are checked against expectations. Several testing frameworks have used this approach for writing tests. One of these is Cucumber, where the te
The JVM Architecture Explained - DZone
Every Java developer knows that bytecode will be executed by the JRE (Java Runtime Environment). But many don't know the fact that JRE is the implementation of Java Virtual Machine (JVM), which analyzes the bytecode, interprets the code, and executes it. It is very important, as a developer, that we know the architecture of the JVM, as it enables us to write code more efficiently. In this article,
Stateless Session for Multi-Tenant Application Using Spring Security - DZone
Once upon a time, I published one article explaining the principle to build Stateless Session. Coincidentally, we are working on the same task again, but this time, for a multi-tenant application. This time, instead of building the authentication mechanism ourselves, we integrate our solution into Spring Security framework. This article will explain our approach and implementation. Business Requir
Running Spring Boot in a Docker Container - DZone
Containers based deployments are rapidly gaining popularity in the enterprise. One of the more popular container solutions is Docker. Many view containers as virtual machines. They’re not. Well, kind of not. A container is a virtual walled environment for your application. It’s literally a ‘container’ inside the host OS. Thus your application works like it is in its own self-contained environment,
5 Important Points about Java Generics - DZone
Generics are one of the most controversial Java language features. Generics allows a type or method to operate on objects of various types while providing compile-time type safety, making Java a fully statically typed language. In this article, I am going to talk about five things that every Java developer should know about Generics. Generics are implemented using Type Erasure In Java a class or a
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