In UML class diagrams, what are Boundary Classes, Control Classes, and Entity Classes?

Question

I\'m now using NetBeans as my IDE-of-choice, and it has a plugin for UML modeling. In the class diagram, there are model elements known as Boundary Class,

Answer 1

Often used with/as a part of OOAD and business modeling. The definition by Neil is correct, but it is basically identical to MVC, but just abstracted for the business. The "Good summary" is well done so I will not copy it here as it is not my work, more detailed but inline with Neil's bullet points.

Good summary - Conceito: Entity-Control-Boundary Pattern

OOAD