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Under what circumstance would you use field variable instead of local variable? I found it a bit hard to decide when a variable is used in 2 or more methods in a class. I tend to use local variables and pass them to another method.
Thanks,
Sarah
In object-oriented terms, does the variable make sense as an attribute of the object? If so, you should make it a field variable. If not, it can go either way.
Remember the Single Responsibility Principle — well-designed classes should have only 1 responsibility, and thus only 1 reason to change.