Note: NetBeans 9 is a work in progress and not released yet. Below is a list of features it will have.

NetBeans 9 runtime platforms are JDK8, JDK9, JDK10. JDK9 and JDK10 can be used as Projects Java Platform even NetBeans itself is running on top of JDK8.

JDK 10 – Local Variable Type Inference

Hints and refactorings for transforming to/from the new "var" type:

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JDK 9 – Java Platform Module System Support

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HTML5 tags are supported in NetBeans editor and HTML5 JavaDoc can be generated using projects Properties | Documenting customizer.

JDK 9 – JavaShell

Java Shell is a tool in JDK9 defined in JEP 222 to introduce REPL (read-eval-print-loop) capabilities to Java. NetBeans provides integrated console-like UI for the Java Shell, leveraing NetBeans editor capabilites. NetBeans can support the tool with the user project configuration, so the Java Shell is set up to work with project classes and libraries.

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