OpenJDK-specific Incompatibilities

A major change in OpenJDK 11 is the deletion of tools, modules and APIs such as appletviewer, CORBA tools and Java Web Services tools.

A detailed description of the incompatibilities between OpenJDK 11 and earlier versions as well as a detailed migration guide is available at the link https://docs.oracle.com/en/java/javase/11/migrate.