Foojay Podcast #66: Let’s Talk About Java Code! Diving into a few Foojay blog posts…
- February 11, 2025
- 2906 Unique Views
- < 1 min read
In this Foojay podcast, we dive into a few articles that were published recently and focus on code.
- Igor Kulakov of JetBrains gives us his insights into the tool he created to find duplicate content in documentation.
- Rijo Sam explains how you can generate real random values and how he created a train departure display.
- Maxillian Arruda explains in a very detailed post the different ways to construct a complex Java object.
- And we start with Wim De Troye about the code changes he had to do in a project that got upgraded from Spring Boot 2 to 3.
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Guests
- Wim De Troyer
- Maximillian Arruda
- Rijo Sam
- Igor Kulakov
Links
- https://foojay.io/today/the-proper-way-to-define-configuration-properties-in-spring/
- https://foojay.io/today/make-the-life-of-your-developer-clients-easier-with-smart-builders/
- https://foojay.io/today/pseudorandom-number-generator/
- https://foojay.io/today/crafting-your-own-railway-display-with-java/
- https://foojay.io/today/duplicate-finder-for-text-requirements/
Content
00:00 Introduction of the topics and guests
00:55 Wim De Troyer
03:27 Pro or contra Lombok?
06:09 BeanValidation as part of the solution
07:40 Generating a config JSON file
08:50 Maxillian Arruda
09:19 What is a complex object?
12:09 Using records to simplify object creation
14:48 Telescoping constructors
16:08 Static factory method
19:09 Builder pattern
21:00 The risks of rewriting a project
23:00 Thread safety in object creation
27:53 Rijo Sam
29:07 java.util.Random is not fully random...
30:20 About SecureRandom, seeds, and blocking algorithms
34:16 Vaadin railway display
37:43 Getting railway data from an open API
38:44 It's a PET project together with Rijo's partner Ancy
40:22 Runs on a Raspberry Pi
41:18 The next project...
41:34 Igor Kulakov
43:02 DRY principle in documentation
43:37 How the tool works an integration in JetBrains products
44:54 Test-first approach in the project
47:10 Not using AI (yet) to avoid extra cost, local systems could be integrated
48:22 Input data the tool can handle
49:14 Highlights of the blog (and following) post(s)
54:35 Outro
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Frank Delporte is a Java Champion, Java Developer, Technical Writer at Azul, Blogger, Author of "Getting started with Java on Raspberry Pi", and Pi4J Contributor. Frank blogs about his experiments with Java and JavaFX, sometimes combined with electronic components, on the Raspberry Pi.
Technical writer at JetBrains, hobbyist developer, author at flounder.dev
Maximillian has been involved with software development since 2003. He is a Software Engineer, Developer Advocate, open-source enthusiast, Committer of the Jakarta NoSQL specification and Eclipse JNoSQL project, the latter of which is an implementation of the Jakarta NoSQL and Jakarta Data specifications. Maximillian is also a Jakarta EE Contributor and Ambassador. Maximillian is also a JUG leader at SouJava (The Java Users Society), one of the world's largest Java User Groups Community, and an Oracle ACE Associate. His international speaking experience includes: Jakarta Tech Talks; GeeCON 2023 Prague; EclipseCON 2023 Germany; Oracle DevLive SP 2024 and GeeCON 2024 Kraków. Maximillian enjoys learning and helping developers by organizing, participating, and speaking at tech events and meetup community events. Besides liking tech stuff, he loves martial arts, especially Shotokan Karate - he is 1st DAN level and teaches in the school that his association is part of. He follows the "family first" philosophy! He highly enjoys playing video games with his sons: Pietro and Giulliano. Of course, he loves standing with his wife: Maira.
Chapter Lead, Senior Java Developer, Public Speaker
A freelance Java developer with 6 years of experience (mostly in the public sector) specializing in backend web development using the Spring Framework. Recently started blogging on https://wimdetroyer.com/ and crossposting on foojay.
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