Index[A] [B] [C] [D] [E] [F] [G] [H] [I] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] UIntCollection class UML (Unified Modeling Language) analysis phase design phase undo buttons, adding 2nd undo() method 2nd undoable actions applications Command pattern commands creating defining types enabling Memento pattern Unified Modeling Language [See Unified Modeling Language.] unit tests asynchronous basic UnitCollection class updating CommandFactory main class views use cases guidelines writing |