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OracleJDK vs OpenJDK



Oracle JDK (Java Development Kit): Oracle JDK is the official reference implementation of the Java Platform, Standard Edition (Java SE). It included the JRE along with development tools.

OpenJDK: An open-source alternative to Oracle JDK, OpenJDK is a community-driven project. It provides a free and open-source implementation of the Java Platform, and many other JDKs, including Oracle JDK, are derived from OpenJDK.


Below is a simple table highlighting some key points of comparison between Oracle JDK and OpenJDK:

FeatureOracle JDKOpenJDK
VendorOracle CorporationOpenJDK Community
LicensingCommercial (Paid) with Oracle Binary Code License AgreementOpen Source (GNU General Public License, version 2, with the Classpath Exception)
SupportCommercial support available with Oracle Support subscriptionCommunity support, may have commercial support options from other vendors
Updates and PatchesRegular updates with security patches provided by OracleUpdates and patches contributed by the open-source community
JavaFXBundled with Oracle JDK (until JDK 11)Separately available in OpenJFX for OpenJDK
Mission ControlBundled with Oracle JDK (until JDK 11)Separately available for OpenJDK
Flight RecorderRequires commercial subscription for full featuresOpen-source version available with OpenJDK
Commercial FeaturesSome features are commercial and require a subscriptionAll features are open source and freely available
Build ProcessProprietary build process for Oracle JDKOpenJDK build process is open and community-driven
Release CycleGenerally aligned with OpenJDK releasesOpenJDK sets the base for Oracle JDK releases
Long-Term Support (LTS)Oracle provides LTS releases with extended supportSome OpenJDK builds, like AdoptOpenJDK or Amazon Corretto, offer LTS support
Usage RestrictionsSome restrictions in Oracle JDK binary distributionOpenJDK has no usage restrictions
Java Cryptography Extension (JCE)Unlimited strength policy included by defaultMay require additional configuration for unlimited strength cryptography

Please note that the information provided here is subject to change, and it's always a good idea to refer to the official documentation of Oracle JDK and OpenJDK for the most up-to-date details.

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