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Kotlin kontra Java – Teil 3 – Eine Sprache für Interoperabilität
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Richard Gross
Richard Gross
Juli 13, 2026
  • JVM Languages

Kotlin kontra Java – Teil 3 – Eine Sprache für Interoperabilität

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Die Vaadin-Oberfläche des Rezeptassistenten — Teil 2: Die Schritt-für-Schritt-Ansicht

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MCP-Server: Die Vaadin-Oberfläche des Rezeptassistenten — Teil 1

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Sichere SBOMs teilen, ohne zu viel zu verraten

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Kotlin kontra Java – Teil 1 – Ökosystem

Wer ein neues Projekt auf der JVM aufsetzt, steht vor einer grundlegenden Entscheidung: Java oder Kotlin? Kotlin wird von Amazon, Atlassian, Duolingo, Google, JetBrains, Meta, Netflix, Uber und vielen anderen genutzt. Java wird von, nun ja, „mehr als 3 Milliarden Geräten“ verwendet. Welche…
Juni 29, 2026
  • AI & ML
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Runes of Reason – ein RPG als Spielwiese für KI-Integration

Dieser Erfahrungsbericht stellt mein Hackathon-Projekt “Runes of Reason” vor – ein KI-gestütztes RPG – und erläutert daran Konzepte zur KI-Integration mit Spring AI. Nebenbei zeigt das Spiel, wie wir mit LLMs unser gesamtes Produktdesign neu denken können. Das RPG ist…
Juni 22, 2026
  • Serverside Java
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Eine CalDAV-Testbench für die testgetriebene Entwicklung — Teil 1: Vom Problem zum Prüfstand

Die Mühsal echter Kalenderserver im Test Wer schon einmal die Logik zur Kalendersynchronisation gegen einen vollwertigen CalDAV-Server geprüft hat, kennt das eigentümliche Unbehagen, das sich einstellt, sobald eine Prüfung beim ersten Lauf grün leuchtet und beim zweiten Lauf grundlos…
Juni 17, 2026
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Java Performance-Optimierung mit Agentic AI: Autonome Diagnostik und umsetzbare Empfehlungen

Java-Performance-Diagnose in Production ist manuell, langsam und erfordert tiefgreifendes Expertenwissen. Es kommt ein Grafana-Alert, ein Thread Dump wird geholt, ein JFR Recording heruntergeladen, in JDK Mission Control geöffnet, Flamegraphs werden angestarrt, mit Metriken korreliert —…
Juni 15, 2026
  • Security
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Vaadin Security, Teil 4.3 – Bootstrap des ersten Administrators: vier Adapter, eine SetupView (zweimal) und Bilanz 

Der adapter-neutrale InitialAdminBootstrapService aus Teil 4.1 und seine drei strukturellen Beziehungen aus Teil 4.2 — Token-Mechanik, PasswordHasher, AdministratorAccountStore — sind beschrieben. Was bleibt, ist die Behandlung der vier konkreten Aufrufkontexte, die diesen Service…
Juni 11, 2026
  • Security
  • Vaadin

Vaadin Security, Teil 4.2 – Bootstrap des ersten Administrators: Token-Mechanik, PasswordHasher und Speicher-Verträge

Was Teil 4.1 als Fundament gelegt hat — die Bootstrap-Diagnose, die anwendersichtige Vaadin-SetupView und der adapter-neutrale InitialAdminBootstrapService — wird hier konkret. Der Service hatte im Konstruktor sieben Beziehungen aufgelistet, von denen drei strukturelle Bedeutung haben und in…
Juni 10, 2026

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