As monolithic systems become too large to deal with, many enterprises are drawn to breaking them down into the microservices architectural style. It is a worthwhile journey you should consider, but not an easy one.
Let’s see what to decouple and when!
#architecture #monolith #microservices #refactoring
https://martinfowler.com/articles/break-monolith-into-microservices.html

This is a great guide which shows main new features of JUnit 5 and demonstrating how to migrate from JUnit 3.x / 4.x to JUnit 5 as fast as possible.
#java #testing #junit #refactoring #middle #senior
https://itaffinity.wordpress.com/2018/04/03/the-pragmatic-migration-to-junit-5/

You love reactive streams. Great. The application you are working on is non-reactive and full of blocking calls. Not so great. In this article you will explore options to bridge reactive and non-reactive code and potentially make applications more performant.
#java #refactoring #middle #senior
https://itnext.io/how-to-make-legacy-code-reactive-2debcb3d0a40

The use of if..else chaining in some cases may not be considered the cleanest code you have ever come with. In this article the author will take you through some alternatives and how to end up with an elegant looking block using Optionals.
#java #refactoring #middle
https://codeburst.io/replace-your-if-else-if-nested-if-not-null-then-get-blocks-with-java-8-optional-s-ed9695a6331e

 Behavior and structure changes for refactoring
#refactoring #junior #middle
https://medium.com/@kentbeck_7670/bs-changes-e574bc396aaa