optional-variables

VB.NET := Operator

What does the following mean? Class.Function(variable := 1 + 1) What is this operator called, and what does it do? ...

How to handle optional variables of an object in Java?

Hi folks, For my trading program, I have a Merchant class. A given Merchant object may or may not have a particular special quality or bundle of special qualities. For example, one Merchant object may have the Stockbroker quality, another Merchant may have the Financial Services and Stockbroker qualities, and another Merchant may have n...