Jdeveloper 12.2.1.4 Java Version !!top!! Site

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JDeveloper 12.2.1.4 is an Oracle IDE release in the 12c family used for Java, web, and Oracle ADF development. This paper documents the Java versions supported by JDeveloper 12.2.1.4, compatibility considerations, recommended Java Development Kit (JDK) configuration for IDE and applications, migration guidance, troubleshooting common Java-related issues, and best practices for development and deployment. jdeveloper 12.2.1.4 java version

Do not be tempted to use JDK 8u331 or 8u421 – while they might launch, Oracle Support will ask you to reproduce on 8u202 before accepting any bug reports. To summarize the answer to the keyword : JDeveloper 12