Tagged Questions
2
votes
2answers
298 views
Why to declare a String (as final) and then use it?
In a typical spring mvc validator class, while inserting an errorCode value in the Errors object, what difference does it make between using a String (props.somefield.req) like so
...
2
votes
1answer
1k views
Where should variables be declared [duplicate]
Considering I have a for loop in a method of a class. Should the incremented variable be declared as member of the class, or should it be declared in the method it uses it(or even in the for loop, ...
11
votes
7answers
393 views
Generalise variable usage inside code
I would like to know if it is a good practice to generalize variables (use single variable to store all the values).
Consider simple example
Strings querycre,queryins,queryup,querydel;
querycre ...
2
votes
7answers
508 views
Should I refactor single letter variables for constructs like pointer/structure names?
And No, i am not referring to single variables in loops or exceptions. Lets say pointer/struct names in large c ,c++ programs . Are there any languages where this type of naming is acceptable or is ...
4
votes
5answers
390 views
variable comparison without initialising
I am working with a project in VC++ which involves co-ordinate system having x,y,z axis.
I am trying to check for if a variable(Point with x,y,z values) is assigned on the coordinate system or its a ...
24
votes
17answers
3k views
Is it a good practice to name the returned variable “result”? [closed]
Is it a good practice to call the variable a method returns with a variable name result?
For instance:
public Zorglub calculate() {
Zorglub result = [...]
[...]
return result;
}
Or ...
