I prefer that all of my Java classes provide for immutable objects unless there is a compelling need for them to be mutable. I’m not the only one who feels this way.

Learn the differences between these Java language elements and how to use them in your programs. ... Can have any kind of instance or static variables, mutable or immutable.

I recently bought an iBook to see what's up with the Objective-C and Cocoa stuff, if I'd like it or not (also I thought it would be nice to get a laptop again).Last night I was messing around with ...