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 ...

I examined four leading IDEs for enterprise Java development (and the tool ecosystems bundled with them) from Borland, IBM, Oracle, and Sun. Interestingly, these products all use different IDE ...

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 ...