August, 2023

• 30 August

  Spring 6.1 – RestClient

  As you might have read in this blogpost, Spring is introducing a RestClient in Spring 6.1 to interact with HTTP backends. Now some of you might be wondering as to the why, given we already have a plethora of other options such as RestTemplate, WebClient, HttpUrlConnection, …​ As we can see on the javadoc page RestTemplate got quite massive over …

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• 30 August

  Configuring Spring Boot to Build a Docker Image with Azul Zulu and Debug Options

  The Spring Boot Maven Plugin makes creating a Docker image from your application very easy! In this article, we give you some extra tips and examples for configuring Spring Boot to define the Java runtime used in such a Spring Boot Docker image and explain how to add additional environmental options to ease debugging. For this post, I got the …

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• 30 August

  Writing Testable Code: A Journey Through Consideration and Refactoring

  In an ideal world, every piece of code we write would be easily testable, clearly understood, and perfectly maintainable. However, reality often presents us with complex problems and solutions that aren’t always straightforward. Writing testable code sometimes requires a thoughtful approach, deep consideration of the use cases, and even refactoring to ensure that the code is robust and fully tested. …

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• 29 August

  Three Key Elements to Incorporate into Your Flaky Test Remediation Approach

  Flaky tests pose substantial challenges due to their unpredictable and inconsistent nature. Effectively addressing them requires a multi-faceted approach that involves the effective integration of strategy, process and resource alignment, and a deep understanding of flaky test causality. This post will walk you through this approach. Note! This post is part of a three-part series. If you’re not sure it’s …

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• 28 August

  How to Create a Spring Boot Application to Retrieve Data from Evernote

  I recently started work on a joint project with my colleague, Jason Koo. For this project, we want to import data from second brain apps (such as Obsidian, Notion, Evernote, etc) to Neo4j. Since I use Evernote, I was tasked with getting my notes out of Evernote. In this article, I will show you how to use the Evernote API …

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• 25 August

  Spring Boot: Local Development Enhancements, Let’s Compose!

  Quite often when we are developing an application we need external services such as rabbitMQ, Kafka, etc. When you are developing locally, you are quite likely using a docker-compose file to start these up, and I am certainly (hopefully) not the only one that has forgotten at least once to start these instances up. And maybe you are even already …

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• 24 August

  Well Worth My Time: “OpenJDK Migration for Dummies”

  I’ve just read the (free) OpenJDK Migration for Dummies book. It was well worth my time! I first started using Java in 1998, so I’ve got a long history with it and feel very comfortable with the language itself. However, the licensing changes and proliferation of OpenJDK distributions are much more recent, and those aspects can be a bit confusing. …

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• 23 August

  Debugging as a Process of Isolating Assumptions

  Debugging is an integral part of any software development process. It’s a systematic hunt for bugs and mistakes that may be hidden in the intricate lines of your code. Much like a hunter and its prey, it requires a precise method and a set of specific tools. Let’s delve deeper into the fascinating process of isolating assumptions to effectively debug …

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• 23 August

  Exploring File Storage Solutions in Spring Boot: Database, Local Systems, Cloud Services, and Beyond

  When building a web application, managing file uploads properly is a common requirement. After receiving, files can be stored in several places: in a file system, in a database or, more commonly, in a cloud storage service. In this article, we will cover how to store files in a database using Spring Boot and discuss some alternatives. Introduction Recently, a …

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• 22 August

  Java Magazine #2 2023: NLJUG 20 YEAR ANNIVERSARY!

  

  This year, it’s our 20th anniversary. And when it’s your birthday, you celebrate it with the ones you cherish. So come and join us at TEQnation (May 17th), J-Spring (June 21st) and J-Fall (November 9th)! Furthermore, for most of us things change around our 20th birthday. It’s the same for the NLJUG. No no, don’t worry, no bad things, only …

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