java -version
or later updates within the Java 8 family. Java versions 9 and above (including Java 11 and 17) are not supported for this specific release. Oracle Help Center Installation Guide for JDeveloper 12.2.1.4 jdeveloper 12.2.1.4 java version
During installation or runtime:
If you need to update or change the JDK path after installation, you can modify the product.conf file located at: %USERPROFILE%\AppData\Roaming\JDeveloper\12.2.1.4.0\product.conf (Windows).Simply uncomment the SetJavaHome line and provide the path to your new JDK 8 directory. What's New in This Guide for Release 12c (12.2.1.4.0) java -version or later updates within the Java 8 family
1 System Requirements and Specifications - Oracle Help Center jdeveloper 12.2.1.4 java version