UML Cheatsheet Class Diagram Elements dependency multiplicity association Package::AbstractClass -Attribute : Type 1 -ClassAttribute : Type Parent Child parent child* +Operation(Arg:Type):Type #AbstractOperation * role Association generalization Class visibility 0..1 info <<interface>> Note ChildInfo SubClass Interface realizes qualified association dependency T 1 Interface ParameterizedClass Value key Implementor Operation(Arg: T) Operation2(): T Sequence Diagram Elements Object : Class Object2 object creation call(obj) new incoming message Object3 selfCall callback interaction frame return object destruction loop / alt / opt delete frame type {constraint} callUnderConstraint {alternative} callUnderAlternative (cc) 2006 Lou Franco - Some Rights Reserved - Attribution-NonCommercial-ShareAlike 2.5 (cc) 2006 Lou Franco - Some Rights Reserved - Attribution-NonCommercial-ShareAlike 2.5 http://creativecommons.org/licenses/by-nc-sa/2.5/ http://creativecommons.org/licenses/by-nc-sa/2.5/ Package Diagram Elements dependency Data View Model SQLServer Oracle Object Diagram Elements John : Child name = "John" parent: Parent Mary : Child name = "Mary" Use Case Diagram Elements system boundary actor 1 Library checkout 1 Membership <<include>> Common return start : Date Role Use Case Use Case renewal : Date * LendRecord Role Lendable due : Date <<include>> id 1 returned : Boolean newArrival : Boolean * LendRecord(lendable, member, date) calcDueDate(member): Date isDue() : Boolean Use Case Use Case renew(Date) * Role Book CD 1 Role * Member DVD (cc) 2006 Lou Franco - Some Rights Reserved - Attribution-NonCommercial-ShareAlike 2.5 (cc) 2006 Lou Franco - Some Rights Reserved - Attribution-NonCommercial-ShareAlike 2.5 (cc) 2006 Lou Franco - Some Rights Reserved - Attribution-NonCommercial-ShareAlike 2.5 http://creativecommons.org/licenses/by-nc-sa/2.5/ http://creativecommons.org/licenses/by-nc-sa/2.5/ http://creativecommons.org/licenses/by-nc-sa/2.5/ Sample Class Diagrams Component +bg : Color DrawingContext +fg : Color drawRect +pos: Point drawLine +size: Dimension drawEllipse +Paint(dc) * children loop 1 parent Button EditBox Panel Container LineItem Product Invoice quantity : int 1 * price : Money +calcTotal() : Money TV Radio checkout(lendable, member) 1 Library checkout 1 Membership return start : Date renewal : Date * LendRecord Lendable due : Date opt id 1 returned : Boolean newArrival : Boolean * LendRecord(lendable, member, date) calcDueDate(member): Date isDue() : Boolean renew(Date) * 1 Book CD * Member DVD (cc) 2006 Lou Franco - Some Rights Reserved - Attribution-NonCommercial-ShareAlike 2.5 (cc) 2006 Lou Franco - Some Rights Reserved - Attribution-NonCommercial-ShareAlike 2.5 (cc) 2006 Lou Franco - Some Rights Reserved - Attribution-NonCommercial-ShareAlike 2.5 http://creativecommons.org/licenses/by-nc-sa/2.5/ http://creativecommons.org/licenses/by-nc-sa/2.5/ http://creativecommons.org/licenses/by-nc-sa/2.5/ Sample Sequence Diagrams aPanel child : Component dc : DrawingContext paint(dc) loop paint(dc) drawOperation(args) { forEach child } : Library aMember aLendable checkout(lendable, member) 1 Library canBorrow(lendable) Membership checkout 1 numOut(member) return start : Date renewal : Date * LendRecord Lendable due : Date opt calcDueDate(member) id 1 returned : Boolean * LendRecord(lendable, member, date) { canBorrow == true } newArrival : Boolean dueDate calcDueDate(member): Date isDue() : Boolean renew(Date) record * new aLendRecord 1 Book CD * Member DVD (cc) 2006 Lou Franco - Some Rights Reserved - Attribution-NonCommercial-ShareAlike 2.5 (cc) 2006 Lou Franco - Some Rights Reserved - Attribution-NonCommercial-ShareAlike 2.5 http://creativecommons.org/licenses/by-nc-sa/2.5/ http://creativecommons.org/licenses/by-nc-sa/2.5/.