I just installed the OpenJDK version of the JDK 11 General-Availability Release on Windows 10. I tried to install it as a JRE in the just-released Eclipse 2018-09 (4.9.0), and a
The update site for the plugin for 2018-09 is here: http://download.eclipse.org/eclipse/updates/4.9-P-builds/P20180926-0920/