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A methodology that enables a system to be modeled as a set of objects that can be controlled and manipulated in a modular manner

5 votes
4 answers
477 views

Variable name which sometimes refers to an object and sometimes to a string

Sorry for the confusing title - this is best illustrated by an example (hypothetical but hopefully illustrative). For 99% of my application a Zip Code is considered as a string, so I consistently use …
Andy's user avatar
  • 687
3 votes
1 answer
179 views

Should a service object be transient or persistent?

In a typical server software design, business logic will generally invoke "services" (such as a database or web service). When I design such a system, I tend to think of each service as a singleton w …
Andy's user avatar
  • 687