I am running OS X 10.10 Yosemite which happily runs my Adobe CS 5.0. When I upgraded from 10.8 to 10.10, I had to install Java SE 6 runtime.
In parallel, I also run the latest Java, with browsers set to ask before running it. All seems to work ok.
If I upgrade to OS X 10.11 El Capitan, is Adobe CS 5 likely to continue working?
(I totally depend on my legit copy of CS 5, and I don't have the revenue stream to support ongoing Creative Cloud membership.)