Jdeveloper 12.2.1.4 Java Version [portable] -

Oracle JDeveloper 12.2.1.4.0 is certified for and requires (specifically version 1.8.0_211 or higher Oracle Help Center Key Version & Requirement Details Certified JDK: At publication, the specific certified version was jdk1.8.0_211 Operating System Support: It is typically used on

If planning to move to Java 11 or later:

Higher Versions: While JDeveloper 12.2.1.4 is stable on Java 8, it is not certified for use with Java 11, 17, or 21, which are supported by newer versions like JDeveloper 14.1.2 . 🛠 Installation Guidance To set up the correct environment: jdeveloper 12.2.1.4 java version

🧠 Why JDK 8?

JDeveloper 12.2.1.4 is built on Java EE 7 / JDK 8 foundations.
Oracle ADF (Application Development Framework) 12.2.1.4 relies on JDK 8 features (e.g., java.util.function, method references).
Embedded WebLogic Server (12.2.1.4) also requires JDK 8 to run.