Co-Founder & CEO of https://xitter.cf/t.co/G5QlE9G6qF, co-founder of @MicroStreamOne, Entrepreneur, Editor in Chief for JAVAPRO Magazine, Founder & Co-Organizer of @jcon_conference
Regensburg, Bayern
Joined September 2016
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Markus Kett retweeted
HTTP/3. Faster warmups. Less GC contention. @sibaspadhi connects #Java26 improvements to FinTech challenges: tail latency, cold starts & throughput.
Find out which optimizations to test first: javapro.io/2026/10/22/java-2…
#JVM #FinTech #CloudNative #AgenticAI #FinTech #JAVAPRO
Markus Kett retweeted
HTTP/2 solved a lot—but not everything. #Java26 finally brings #HTTP3 & QUIC to HttpClient, removing transport-layer Head-of-Line blocking while keeping the existing API intact. Wanderson Xesquevixos explains why it matters.
See more: javapro.io/2026/08/27/java-2…
#OpenJDK @OpenJDK
Markus Kett retweeted
30% OFF or FREE? Your #JCON2027 ticket is waiting & the shop is open! Grab your Blind Ticket with 30% off or find out how to attend for FREE as part of the #Java community.
Get your ticket:
🇬🇧 javapro.io/2026/10/21/jcon-e…
🇩🇪 javapro.io/de/jcon-europe-20…
#JavaCommunity #JAVAPRO #JUG
Markus Kett retweeted
20 minutes to build a feature with #AI. A week to fix the damage. @sogldaniel explores why vibe coding can create technical debt & how Spec Driven Development changes the workflow. Read the analysis: javapro.io/2026/10/21/spec-d…
#VibeCoding #SoftwareDevelopment #SDD @github @RedHat
Markus Kett retweeted
Warum für immer mehr SaaS-Funktionen zahlen, die man gar nicht braucht? @SvenRuppert hinterfragt ClickUp & entwirft mit #KI eine eigene Anwendung auf Basis von @vaadin.
Wem gehören Daten, Code & Workflow? Lies jetzt: javapro.io/de/von-clickup-zu…
#Java #Vaadin #Datenhoheit #JAVAPRO
Markus Kett retweeted
#Java or #Kotlin: Which language helps you write safer code? @ArghRich compares null safety, thread safety, injection risks & type-safe builders.
Where does Kotlin have the edge? Read the comparison: javapro.io/2026/10/20/kotlin…
#JVM #Security #OWASP #JSpecity #ThreadSafety #JAVAPRO
Markus Kett retweeted
📢The #JCON2027 #CallForPapers is extended until Oct 30, 2026! Want to speak on Europe's biggest #Java stages?
Discover the benefits for speakers & submit your talk.
🇬🇧 EN: javapro.io/2026/10/19/jcon20…
🇩🇪 DE: javapro.io/de/jcon2027-cfp-v…
#JVM #AI #CFP #CoreJava #Frameworks #JAVAPRO #JUG
Markus Kett retweeted
Erst absichern, dann ins Internet! Bei @SvenRuppert läuft eine @vaadin-Anwendung als WAR auf #Jetty – verwaltet durch #SystemD & ausschließlich über 127.0.0.1 erreichbar.
So funktioniert das #Deployment ohne Docker javapro.io/de/vaadin-deploym…
#Java #Hetzner #Vaadin @Hetzner_Online
🤖 Made with AI
Markus Kett retweeted
Your encrypted data could be stolen today & decrypted years from now. Sebastian Hempel explains the “harvest now, decrypt later” threat & why #PostQuantumCryptography can't wait for them to arrive.
Find out how to prepare: javapro.io/2026/10/14/pqc-it…
#Java #Security @Cloudflare
Markus Kett retweeted
The #JCON2026 keynote with @MarkusKett & Johann Strauss pairs with Gerald Kammerer’s article on scaling #AI with #VectorSearch, #EclipseDataGrid & #Kubernetes.
Watch & read: javapro.io/2026/04/08/high-p…
Also in #JAVAPRO PDF: javapro.io/2026/04/27/04-202…
@EclipseStoreIO #GenAI #LLM #Java
Our next #JCON2026 keynote is live: 'Scaling Data in a Sovereign #AI Platform' by Johann Strauss & @markuskett
In this joint #keynote #Dell AI Factory and @Cyrock_AI show how to build a sovereign AI platform that turns AI strategy into…
Grab your coffee and hit play: youtu.be/MRSdUfnXgQE
Markus Kett retweeted
AI-generated code passes tests. But is it secure? @ArturSkowronski examines what #AI coding benchmarks miss: security flaws, code quality & real-world #Java performance.
See what the scores don't tell you:javapro.io/2026/10/15/llms-f…
#AI #SonarQube #Brokk #JetBrains @SonarSource
Markus Kett retweeted
Still on Java 25? You're missing more than a version bump. #Java26 adds HTTP/3, HotSpot performance gains, Structured Concurrency, Lazy Constants & more. @hannotify walks you through every JEP.
See what's new in Java 26: javapro.io/2026/08/26/java-2…
#JDK26 #OpenJDK #JAVAPRO @OpenJDK
Markus Kett retweeted
Schluss mit Warten! Unser neues #JAVAPRO GERMANY Special Topic „Ihr Server, Ihre Regeln“ jetzt kostenlos downloaden!
Freut euch auf Expertenwissen von @SvenRuppert.
Du willst kein Heft verpassen? Abonniere unsere News & erhalte jede neue PDF per E-Mail: javapro.io/de/immer-up-to-da…
Markus Kett retweeted
96.65 tokens/sec for #Llama 3.2 1B – running through a pure-#Java GPU inference engine. @mikepapadim explores GPULlama3.java & #TornadoVM and how they bring GPU-accelerated #LLM inference to the #JVM.
See the code: javapro.io/2026/10/13/buildi…
#AI @langchain4j @QuarkusIO
Markus Kett retweeted
23 Sek. nach Serverstart: der erste fremde Login-Versuch! @SvenRuppert zeigt, warum ein #Debian-Server nicht sicher ist – und wie SSH, Firewall & Benutzerrechte geschützt werden.
Prüfe deinen Server: javapro.io/de/vaadin-deploym…
#DevOps #Java #Hetzner #Vaadin @Hetzner_Online @vaadin
🤖 Made with AI
Markus Kett retweeted
Schema-less data doesn't always require a NoSQL database. Kush Sharma shows how to build a #SpringBoot REST API that stores, queries and updates JSON in #PostgreSQL using #JSONB.
Learn how to combine relational data and JSON: javapro.io/2026/08/20/from-t…
#Java #JPA #JAVAPRO
Markus Kett retweeted
Is #GitLabCI better than Jenkins? Not according to @lukaspradel after a major migration at bahn.de & DB Navigator. He shares where GitLab CI won, what #Jenkins still does better & why they’d migrate again.
Read: javapro.io/2026/10/08/bye-by…
#DevOps #JAVAPRO #Java
Markus Kett retweeted
The #JCON2026 talk “Testing Spring Boot Applications Demystified” pairs perfectly with @rieckpil’s article on #SpringBoot testing—from unit & integration tests to #Testcontainers, #WireMock & common pitfalls.
Watch the video & read: lnkd.in/diKee8CC
#JAVAPRO #Java
Our next #JCON2026 session is live: 'Testing #SpringBoot Applications Demystified' with @rieckpil
#Testing plays a crucial role in software #development allowing you to catch #bugs ensure your #code functions as intended, and provide ...
Grab your coffee and hit play: youtu.be/Tr24w--ZXgU
Markus Kett retweeted
Still building custom REST endpoints for every new client request? Over-fetching, multiple #API calls & brittle integrations don't scale—especially for #AI agents. @vipinaiswarya explains why #GraphQL & #Java can be the smarter choice: javapro.io/2026/08/12/beyond…
@GraphQL
Markus Kett retweeted
The #CallForPapers for #JCON2027 is OPEN! Got real-world #Java insights, an exciting project, or lessons learned? Share them with the community on the big screen in Cologne!
Deadline: Oct 16, 2026
Read more & submit: javapro.io/2026/10/07/jcon-e…
#CFP #AI #Microservices #Frameworks
