Windows server and Oracle Java updates

[Peter Schober]

* Dave Bartholomew <Dave.Bartholomew at csueastbay.edu> [2016-07-21 21:38]:
> I manually install Java in C:\Program Files\Java to avoid the JAVA_HOME
> issue.
> But see IDP-577.

After having gone through that issue I'm not sure whether someone
doing the above is in for unpleasent surprises or not.
Does this method work reliably, with the IDP and with Java updates?
-peter