Java JDK 5.0 with JDeveloper How to
Make sure you have downloaded and installed JDeveloper 10.1.3.
Download and Install
Download and Install Java JDK 5.0 from http://java.sun.com/j2se/1.5.0/download.jsp. Fdata recommends Update 5.
Install it in the default path C:\Program Files\Java\.
When finished make sure you have a C:\Program Files\Java\jdk1.5.0_05 directory.
Configure JDeveloper for Java 5.0
Some older version of JDeveloper 10.1.3 came with Java 1.4.2 or no JDK at all. Framework v2.1 requires Java 5.0 to run.
Run c:\jdev\jdeveloper.exe (or where ever you have installed JDeveloper)
Open Tools -> Default Project Properties …
Select Libraries in the left window.
Click on Change … button.
Select User from the left hand window.
Press the New … button.
Click on the Browse … button and navigate to the location of the java.exe for JDK 5.0 (C:\Program Files\Java\jdk1.5.0_05\bin\java.exe).
Press OK to save the new definition. This will now be the default JDK for all new JDeveloper Project.