I saw that on reddit and downvoted it, title says it shows new Java 11 things, so I expected dynamic class-file constants example and explanation, ZGC tuning an

I saw that on reddit and downvoted it, title says it shows new Java 11 things, so I expected dynamic class-file constants example and explanation, ZGC tuning and showcase, not "var" from Java 10 and HTTP client from Java 9... Your post describes some minor syntax changes and a few new base methods, doesn't cover release notes.