developed in java and running for decades? how long has the language been around?
And those are not the most fun to work on.
However, I did think Java was rather good and when I co-founded a start-up in mid '95 we positioned ourselves as a "Java company" - which was no bad thing in the long term as we were in a reasonable position when Netscape, Novell and IBM later decided they wanted to support it. Indeed our 2 round of VC investment was led by Novell - quite unusual for a UK company at the time...