So generally, you should see virtually identical compatibility. On my diagram above, I have check-marked 'TCK' on the couple vendors I know have self-declared: Oracle JDK by Oracle & Zulu by Azul Systems.Īll the products listed in the blue barrel area of my chart above are built almost directly on the OpenJDK source code. These claims are not verified, and rely on the honor system. Vendors are free to self-declare whether their release has passed those tests. In the Comments, an question was raised, concern over compatibility issues between releases by various vendors.įirstly, know that the OpenJDK project includes a vast suite of tests known as the OpenJDK Community Technology Compatibility Kit (TCK).

Here is a flowchart diagram that may help you finding and deciding amongst the various vendors providing a Java 11 implementation.Īnd a table mapping possible motivations or considerations leading to suggested vendors of Java. Those tools listed above can create a very small runtime custom-fit to your particular app.

Read the white paper Java Is Still Free, authored by key members of the Java community.ĭesktop apps are now expected to bundle their own Java runtime.

Read this white paper by Oracle of 2018-03, Java Client Roadmap Update.Understand clearly the nature of the OpenJDK project, as explained in Wikipedia.The only folks consciously installing a JDK will be developers & server-side sysadmins.

Java-based apps are expected to bundle their own Java implementation. Java Applets in a browser and Java Web Start app delivery are both being phased out, leaving the end-user with no need for a JRE. Oracle no longer intends for end-users to be installing a JRE or a JDK. The Answer by Stephen C is correct, and important.

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