~/talk

Kotlin Notebooks for Spring Developers

Talkat IntelliJ IDEA Conf 2025 · 2025-06-03..06-04· [kotlin, developer-experience]
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IntelliJ IDEA’s Kotlin notebooks attach to running apps so the IDE acts as a front end and the notebook evaluates code inside the Spring process, letting cells run Kotlin REPL code, add Gradle‑like dependencies, and attach to running kernel; notebooks expose the full Spring context with autocompletion (the demo shows ~900 beans) so you can call repositories, send Kafka/protobuf events, or run Spring AI prompts; dataframes read CSV/Excel, Candy and Let’s Plot render interactive charts, and cell results are cached to avoid reissuing API requests.

AI-written summary · about

  1. 0:00Introduction
  2. 1:47What Kotlin Notebooks are
  3. 10:59Visualizing data
  4. 13:50Exploring REST APIs
  5. 19:08Spring integration
  6. 22:58Practical use cases
  7. 37:21Testing and debugging
  8. 44:00Future and feedback
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