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Converting Java files to idiomatic Kotlin v1.0.0

Use this resource to convert Java files to idiomatic Kotlin without breaking framework behavior

New

  • 434 downloads
  • 144 likes
  • 103 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install convert-java-files-to-kotlin

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent detects the project's frameworks, converts each file with a four-step method, renames it to keep Git history, then checks the result. You get equivalent .kt files with the right annotations.

Mostly picked by

Updated November 2, 2026

Card for the “Converting Java files to idiomatic Kotlin” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
Apache-2.0

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What you get

  • references/CONVERSION-METHODOLOGY.md: four-step conversion method
  • references/frameworks/: guides for Dagger/Hilt, Guice, Hibernate, Jackson, JUnit, Lombok, Micronaut, Mockito, Quarkus and Retrofit
  • assets/checklist.md: final checklist

Good fit for

  • You migrate a Java service using Lombok and Hibernate to Kotlin
  • You convert JUnit and Mockito test suites in batches

Not for

    Tags

    • java
    • kotlin
    • conversion
    • migration

    About

    You say

    “Convert the Hibernate entities in this folder to Kotlin and keep the Git history.”

    Card for the “Converting Java files to idiomatic Kotlin” skill

    Skill published by kotlin under the Apache-2.0 license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to convert Java files to idiomatic Kotlin without breaking framework behavior
    3. Review and adjust the result

    Content preview

    Files

    • assets/checklist.md2.6 KB
    • LICENSE11.3 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/CONVERSION-METHODOLOGY.md10.2 KB
    • references/frameworks/DAGGER-HILT.md4.5 KB
    • references/frameworks/GUICE.md4.6 KB
    • references/frameworks/HIBERNATE.md6.1 KB
    • references/frameworks/JACKSON.md7.3 KB
    • references/frameworks/JUNIT.md5.5 KB
    • references/frameworks/LOMBOK.md6.6 KB
    • references/frameworks/MICRONAUT.md3.4 KB
    • references/frameworks/MOCKITO.md7.9 KB
    • references/frameworks/QUARKUS.md3.9 KB
    • references/frameworks/RETROFIT.md4.6 KB
    • references/frameworks/RXJAVA.md5.7 KB
    • references/frameworks/SPRING.md6.6 KB
    • references/KNOWN-ISSUES.md9.8 KB
    • SKILL.md5.5 KB

    Origin and licence

    Listed unmodified

    Author
    kotlin
    Source
    github.com/kotlin/kotlin-agent-skills/tree/c2f90697bf71966a117a13340d5fff787f004140/skills/kotlin-tooling-java-to-kotlin
    Licence
    Apache-2.0

    Notice

    « kotlin-tooling-java-to-kotlin » (kotlin, Apache-2.0) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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