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 ...

Q: How do I create my own pair of mutable and immutable classes similar to String and StringBuffer ? A: Immutability in a “weak” sense (for lack of a better term) means creating a temporary ...

You might know that Java passes by value, but it helps to understand why. Here's what happens when you pass mutable and immutable object references in Java.