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Java

76 articles.

  • Java

    Hexagonal Architecture with Java and Spring

    The term “Hexagonal Architecture” has been around for a long time. Long enough that the primary source on this topic has been offline for a while and has only recently been rescued from the archives.

    Tom Hombergs November 3, 201912 min read
  • Java

    Immutables in Java - Are Setters Allowed?

    In short, no. Feel free to jump right ahead to the section on bad practices. If you want to read a bit more on the why and how of immutables, have a look at the rest of this article.

    Tom Hombergs October 22, 202115 min read
  • Spring Boot

    Mocking with (and without) Spring Boot

    Mockito is a very popular library to support testing. It allows us to replace real objects with “mocks”, i.e. with objects that are not the real thing and whose behavior we can control within our test.

    Tom Hombergs September 18, 201910 min read
  • Spring Boot

    Bean Validation Anti-Patterns

    Bean Validation is the de-facto standard for implementing validation logic in the Java ecosystem and it’s a great tool to have around.

    Tom Hombergs September 7, 20198 min read
  • Java

    Pollution-Free Dependency Management with Gradle

    Remember the days when we had to manually download every single JAR file that our project needed to run? And not only the JAR files we directly depended upon, mind you, but even those JAR files that our dependencies and our dependencies’ dependencies needed to work!

    Tom Hombergs July 28, 20196 min read
  • Java

    Maven Scopes and Gradle Configurations Explained

    One of the key features of a build tool for Java is dependency management. We declare that we want to use a certain third-party library in our own project and the build tool takes care of downloading it and adding it to the classpath at the right times in the build lifecycle.

    Tom Hombergs July 24, 20198 min read