How to Install JDeveloper 12c GNU/Linux Distros
Linux JDeveloper 12c Installation Guide
The Guide Shows You How to Install Oracle JDeveloper 12c Studio in GNU/Linux Distributions.
And Oracle JDeveloper for Linux is a Free integrated development environment that simplifies the development of Java GUI, Java-based SOA and Java EE Applications.
Furthermore, JDeveloper offers complete end-to-end development to Oracle Fusion Middleware and Oracle Fusion Applications with support for the full development life cycle.

Suggestion: in case to Find it Easily Search with Cmd/Win+f or Ctrl+f and your Distro Name!