PPT-Advanced OOD, Patterns and the Strategy Pattern

1 From Requirements to ObjectOriented Design 2 As a user I want see my nearby friends on the map So that I know who to contact for a spontaneous meetup class Friend Location location null gt notknown. oll list la li equ nt is nd assist age ood io CF s in om asic eli la s a la io ns ck age ess od la els ally ave tw is as ri al lay l a P ima is lay an el In or an el ri al lay el orm n is art th la el th mer ill see rst is ally loc th e ac ag is el faoorg Friedensreich Hundertwasser 738 Grass for those who cry 1975 57513 2013 NAMIDA AG GlarusSwitzerland Some 14 billion people are overweight Of these about onethird are obese and at risk of coronary heart disease diabetes or other health problem Composite lets clients treat individual objects and compositions of objects uniformly This is called recursive composition Motivation brPage 3br Bob Tarr Design Patterns In Java The Composite Pattern The Composite Pattern The Composite Pattern Motiv brPage 1br Bursted ood Pr imar y School Inspection repor 8QLTXH HI HU HQF 1XPEHU HOH RFDO XWKRULW QVSHFWLRQ QXPEHU DQXDU QVSHFWLRQ GDW DYLG 0DUVKDOO HSRU WLQJ LQVSHFW RU 7KLV LQVSHFWLRQ ll o at we r at s qu ee m r il we ea r rom ou al rr po Pete r ng te ll s iz ood T e or at llic m ea ce ro le ll ro ro ng t al ea po we ee or Pet we r ti r ood s iz et cit ng om ee or no er llic il cle ro wa n r ec we r ee ite r te d at e For CSE 3902. By: Matt . Boggus. Why Design?. Objects and Systems. Processes. http://ipostr.com/pic-275-Planning. Patterns. “Each pattern describes a problem which occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can use this solution a million times over, without ever doing it the same way twice”. 1 1 H HUNGER AND OOD ECURITYACKGROUND READING EACHING THE OOD YSTEMA PROJECT OF THE OHNS OPKINS ENTER FOR A IVABLE UTURE shift in the role of the U.S. government, as feeding the hungry was tradition By Doug, Jeremy, & Mike. What is a design pattern?. A design pattern is a reusable solution to a common problem in software design. . A design pattern is not code.. A design pattern can vary in scope from very simplistic to an entire system.. For CSE 3902. By: Matt . Boggus. Why Design?. Objects and Systems. Processes. http://ipostr.com/pic-275-Planning. Patterns. “Each pattern describes a problem which occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can use this solution a million times over, without ever doing it the same way twice”. By :. Ms.K.Karthika. Patterns are things that are arranged following a rule or rule. Example: there is a pattern in these numbers: 2, 7, 12, 17, 22, ... The rule is "start at 2 and add 5 each time“. kidwell.bill@gmail.com. MVC. Model – application object. View – screen presentation. Controller – defines actions based on user interactions, updates model. Observer Pattern. Publish-Subscribe. 1. In our last episode…. (It was all about Object-Oriented Design). 2. A Concise Theory of Object-Oriented. Object represents a “thing”. person, car, date. , …. (not two things, not ½ thing). stands in the way of more widespread adoption of model-driven engineering. ?). Arend Rensink, University of Twente. ECMFA Keynote, 22 July 2015. 22 July 2015. Model Patterns. Model technology: smooth and awesome. BAAKGFCSBD IB:CFAATICB Wf_r gg _ 1..-wY_f :lccb3 A 100-year ood is a very large ood that has a 1 percent chance of occurring in any given year. It takes only 5 inches of rain over a few h