IntelliJ IDEA has supported Java 24 since an earlier release, with more enhancements being added in the later releases! I’m often asked, “What’s the best feature of Java 24?” My answer? Why pick just

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Java 24 introduces enhancements such as Simple Source Files, Primitive Type Patterns, Module Import Declarations, and Flexible Constructor Bodies. IntelliJ IDEA has supported Java 24 since earlier releases, adding new enhancements over time. IntelliJ IDEA offers smart code suggestions, seamless conversions, and robust analysis for a smooth development experience with Java 24’s features.

Java 24 and IntelliJ IDEA

Simple source files and instance main methods (JEP 495)

Primitive Types in Patterns, instanceof, and switch (Preview Feature)