CEF is great, but has a steep learning curve, and sometimes examples that are really stripped down are handy.
Here are two such demos.
They also demonstrate how to use a CEF that has been installed a central location.
See also https://bitbucket.org/chromiumembedded/java-cef/issues/109/linux-mac-fix-discovery-of-icudtldat#comment-35461901 for a perhaps better example of how to access a central CEF on Mac.