The JDeveloper 11g download page does not have specific installer for 64bit Linux or Windows. It is advisable to use Generic Installer if you are setting up a 64-bit Windows or Linux environment. For JDeveloper 12c, you can use 64-bit Windows installer or choose to use Generic Installer. In a nutshell, if the download is not very clear, Generic Installer is your best choice. When using Generic Installer, make sure to use proper JDK (32-bit or 64-bit depending on operating system and specific Java version either JDK 1.6 or JDK 1.7). You will launch generic installer using {path to java} -jar {installer jar file}. The version of Java used to launch the installer will be used when you launch JDeveloper or run Plugin operations. JDK to use for specific version of JDeveloper It is very critical to select the proper JDK version, as generated applications will most likely be deployed to WebLogic, and WebLogic also runs with specific version of JDK. You do not have to be very specific with patch numbers, just make sure the major and minor version of JDK matches with the target runtime environment.
Install JDeveloper in version specific folder, as you will most likely have more than one version to support. For example, /oracle/middleware/product/jdev11117, /oracle/middleware/product/jdev121300, etc. If you are building WebCenter applications, you must install various JDeveloper extensions necessary to compile WebCenter applications. You must do the same for other extensions including any custom extensions that you may have on Developer workstations. For example, the JUnit extension. As JDeveloper on remote host is being used to perform builds, developers must make sure to not reference JAR files using absolute path. If there is need to use third-party or open-source JAR files, you can reference them by creating a Project-scoped JDeveloper library.
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