Do you use design patterns?

Question

What\'s the penetration of design patterns in the real world? Do you use them in your day to day job - discussing how and where to apply them with your coworkers - or do the

Answer 1

Yes.

We are even using them in my current job: Mainframe coding with COBOL and PL/I.

So far I have seen Adaptor, Visitor, Facade, Module, Observer and something very close to Composite and Iterator. Due to the nature of the languages it's mostly strutural patterns that are used. Also, I'm not always sure that the people who use them do so conciously :D