1
vote
1answer
91 views

When should I pass value as class variable and when as a method argument?

Is there a general rule of thumb, when we should pass a value as as class variable and when as a method argument? Or is it just a choice of the developer? For example -- are there any reasons, why ...
2
votes
1answer
304 views

Understanding high cohesion principle for methods in object oriented design

I know the idea of strong cohesion applies to methods as much it applies to classes. Just to be clear when I say strong cohesion of a method I mean a method which does only one task and does it well. ...
5
votes
4answers
575 views

Method flags as arguments or as member variables?

I think the title "Method flags as arguments or as member variables?" may be suboptimal, but as I'm missing any better terminology atm., here goes: I'm currently trying to get my head around the ...
4
votes
3answers
1k views

Should a method do one thing and be good at it? [duplicate]

"Extract Till You Drop" is someting I've read in Uncle Bob's blog, meaning that a method should do one thing alone be good at it. What is that one thing? When should you stop extracting methods? ...
7
votes
6answers
2k views

Prefer class members or passing arguments between internal methods?

Suppose within the private portion of a class there is a value which is utilized by multiple private methods. Do people prefer having this defined as a member variable for the class or passing it as ...