Parsing an OpenAPI file (Swagger), We go though how to read a OpenAPI specification with the old API reading body content. And we also translate it to the new V3 parser and go thro...

Merge results of parallel service requests using CompletableFuture,Here is an approach of using java CompletableFuture to ensure multiple service requests are run/executed in paral...

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 fo...

To OO or not to OO,(a previous version of this text was posted on Medium) Around 2018, partly due to following Jonathan Blow’s work on Jai and the obvious lack of OO in the langua...

From Monolith to K8s @SouJava,Yesterday, I had the pleasure of presenting for the @SouJava user group. I talked about the challenges that you will face while going from Monolith Ap...

## EasyCam,EasyCam is Android Library that lets you easily integrate a camera feature in your app. Goals of EasyCam's are Easy implementation of the camera in the app Easy Customiz...

Whats you preferred jvm build system?,is is it gradle, maven, or something else? 原文链接：Whats you preferred jvm build system?

There is a bug on your server (user said),Hopefully I'll compile in future a list of 'most annoying things beginners do' (and perhaps even later the same about 'seniors do') - but ...

Using RxJava for creating reactive JavaFx UI,In this article, I would like to show you the benefits of RxJava in practical example - desktop JavaFx GUI application. If you are deve...

Dinning Philosopher Problem,The dinning philosopher problem,invented by Edster Dijkster is the classic demonstration of deadlock. The Dinning Philosopher problem used to describe s...

T-Shirt for next Interviews,I've been at perhaps 50-60 tech interviews since my 'IT career' started at 2008. And I come to think that appearance and attire, though are not the top-...

How to Add COD Handling Charges to Your Shopify Store?,Even though there are multiple ways out there to collect online payments from your customers, Cash on Delivery (COD) is still...