Tagged Questions
15
votes
10answers
2k views
How to write useful Java programs without using mutable variables
I was reading an article about functional programming where the writer states
(take 25 (squares-of (integers)))
Notice that it has no variables. Indeed, it has nothing more than three ...
4
votes
3answers
2k views
What is meant by Scope of a variable?
I think of the scope of a variable as -
"The scope of a particular variable is the range within a program's source code in which that variable is recognized by the compiler".
That statement is ...
4
votes
3answers
610 views
Does it make a difference if I declare variables inside or outside a loop in Java? [duplicate]
Possible Duplicate:
Where do you declare variables? The top of a method or when you need them?
Does it make a difference if I declare variables inside or outside a loop in Java?
Is this
...
4
votes
2answers
2k views
Naming conventions for instance, local and parameter variables
I was discussing with a senior developper coding conventions to apply to our projects (mainly Java/JEE projects). I disagreed with one convention he proposed:
Instance variable names should start ...
5
votes
5answers
593 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 ...