Collaboration diagrams
{"Image DocumentName": "Collaboration diagrams", "Image ImageDescription": "Objects are rectangular icons. e.g., Order Entry Window, Order, etc. Messages are arrows between icons. e.g., prepare() Numbers on messages indicate sequence. Also spatial layout helps show flow. Which do you prefer: sequence or collaboration diagrams? Fowler now admits he doesn\u2019t use collaboration diagrams. Interaction diagrams show flow clearly, but are awkward when modeling alternatives. UML notation for control logic has changed in UML 2 but Fowler isn\u2019t impressed.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}