What happens if a Jar is updated while it is still being used by a JVM?

Nothing, if a class in that jar is used, the same definition remains, if a new class is loaded in the updated jar it will be taken.

1 It sounds like you could end up with JVM with some original classes and some updated classes, depending on when the Jar is updated and when the classes are loaded. What implications might that have on a running application? – Jim Hurne Oct 1 '10 at 23:34 @Jim Hurne: Yes you can.

The implications are random MethodNotFound exceptions – WW. Oct 7 '10 at 9:57.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.