About Java and Kotlin by IntelliJ IDEA
Java and Kotlin by IntelliJ IDEA brings IntelliJ IDEA's support for Java and Kotlin to Visual Studio Code, Cursor, and other VS Code–based editors. The extension is powered by a Language Server Protocol (LSP) server and runs in the background to analyze your project and provide context-aware coding assistance.
The extension supports Java and Kotlin projects, works with Maven, Gradle, and Bazel build systems, and offers code completion, navigation, code analysis, refactorings, and other in-editor assistance.
Install the extension
Install and set up Java and Kotlin by IntelliJ IDEA in your editor:
Features
Support for the latest released Java and Kotlin versions (Java 25, Java 27 EA, and Kotlin 2.4)
Import from Gradle, Maven, and Bazel
Run and debug Java and Kotlin applications
IntelliJ-powered code completion and signature help
IntelliJ-powered inspections and quick-fixes for Java and Kotlin
IntelliJ code refactorings