The document summarizes highlights from Devoxx 2023, Europe's largest Java conference, which featured over 200 talks and attracted 3,200 participants. Key takeaways include the importance of mentorship, embracing imposter syndrome, and the latest in Java 21 updates. Additionally, it lists recommended talks and resources for further learning.

1. TechHouse session
Mark van Osch – 24-oct-2023
Sharing Devoxx 2023
highlights

2. What is Devoxx?
2
• Biggest Java conference in Europe
• KinepolisAntwerpen Belgium
• 20th edition
• 3 or 5 days (conference / deepdive)
• 200+ high quality talks
• 3200 participants
• First batch tickets sold in 60sec
• Helped design 2nd batch lottery 🎉
• en.wikipedia.org/wiki/Devoxx

3. Devoxx Experiences
3
• “I know that I know nothing” – the Socrates paradox – and that is ok!
• Imposter syndrome
• Be humble and accept
• Endless sources
• Time is limited
• Choose wisely
• Focus learning
• Set goals
• Find a mentor!
• Lifestyle / Health warning!

4. DevoxxTakeaways
4
• Getting inspired
• We are artists! Software development is logic based creativity.
• Mentoring! Missing link, what can a mentor help you with.
• Josh Long! Hero in live demo/coding from scratch.
• Learning new things
• Java 21 Java Language update and outlook
• Intellij tips/tricks, JetBrains AI assistant,Clean as you code
• Sustainability Java code energy use compared to Phyton 38x less
• Supply chain security - SBOM will be required by EU regulations
• Confirmation
• Backend security setup
• Microservices Integration testing
• Connecting people
• Meeting / chatting in person
• Exploring Antwerpen ;-)

5. Interesting Devoxx polls
5

6. Devoxx top picks!
6
Should watch
• Testing Microservices: Join the Revolution ByVictor
Rentea youtu.be/S8y4-jSJWxI
• Test Driven Security with Spring By Eleftheria Stein
Kousathana youtu.be/Akw6MpwnIAM
• AreYourTests SlowingYou Down? ByTrishaGee
youtu.be/CNFEKCb72xo
• IntelliJ Super Productivity in 45 Minutes By Heinz Kabutz
youtu.be/cFLz_J9Fdpc
• Clean asYou Code: Continuous Code Improvement By
Peter McKee youtu.be/AoqU6sEuXig
Could watch
• Know your Java? ByVenkat Subramaniam (2 ½ hour deep
dive!) youtu.be/q2T9NlROLqw
Must watch Java 21 By Brian Goetz -
Java Language
Architect Oracle
youtu.be/eXCx2hW_xNi
Bootiful Spring Boot 3
By Josh Long
youtu.be/FrqbQPvRNbA
Embracing Imposter
Syndrome By Dom
Hodgson
youtu.be/qgU-BKjE_u4
The Art of Software
Development By Sander
Mak
youtu.be/lRy3Q6FQ-XU
Empowering Growth by
Markus Westergren
youtu.be/1ZQlkZXeROs

7. Devoxx references
7
• Website: devoxx.be
• Youtube channel: www.youtube.com/@DevoxxForever
• Devoxx 2023 playlist (190 video’s!):
www.youtube.com/playlist?list=PLRsbF2sD7JVoSl0q9XTZ_RKlucdQL5sBp
• Top rated talks by Stephan Janssen: www.linkedin.com/pulse/devoxx-23-
top-rated-talks-stephan-janssen
• Thanks for the opportunity to share and learn!