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).<BR><BR>Last night I was messing around ...

Immutable objects are highly desirable. Because an immutable object’s state cannot be changed, they are particularly useful in concurrent environments. Immutable options can simplify code and reduce ...

Though Java already has a character type and char keyword to represent and manipulate characters, the language also requires a Character class for two reasons: Character c1 = new Character ('A'); ...