[notmattlythgoe]

Originally Posted by PAR_WIG1350

I can't comment on this specific case, but by using independent classes, the code can be developed by multiple groups who don't know anything about the code another group is working on. When the final code is written, the only information needed is the names, functions, and arguments of relevant methods for each operations that is to be performed.

In general, breaking up code like this can be helpful since it helps keep issues isolated. If something needs to be rewritten, it is probably going to be limited to one class instead of the entirety of the project.

It also makes the code more readable, which is the key to programming.