Eclipse is generally recommended. (Personally I think it blows but many here like it) I think there is also netBeans. Those are the two free java IDEs I know. A quick google search will bring them up.

Eclipse, the open-source IDE for Java, C/C++ and other programming languages, has been released in version 2025-09. A new feature is the ability to compare selected text in the editor with the ...

PRAGUE , Czech Republic , Oct. 15 /CNW/ - JetBrains(R), creators of intelligent, productivity-enhancing tools for software developers, have announced the first Public Preview of the free Community ...

Eclipse, the open-source IDE for Java, C/C++, and other programming languages, has been released in version 2026-03. It is available not only as a standalone development environment, but its ...

The Eclipse Foundation has released Eclipse IDE 2026-06, the second quarterly simultaneous release of the Eclipse IDE platform this year, with support for Java 26 and updates across the Java platform, ...