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MS - Sem1 - OO Analysis and Design - post 2

v   Development Methods §   Waterfall method o     Requirements à Analysis à Design à Implementation à Unit testing à integration à Integration testing à maintenance o     Problems – 1.        Difficult to complete one phase of a software product's lifecycle 2.      Clients may not be aware of exactly what requirements. they want before they see a working prototype 3.      Designers may not be aware of future implementation 4.      Difficulties when writing a design 5.      Things become clear in the implementation phase §   Iterative and Incremental Development 1.      Neither top-down nor bottom-up 2.      Successive Refinement of the OO Architecture 3.      Apply Experience & Results to next iteration v   Unified Process o     Use-Case Driven §   What does the user want and need from the system §   Use-case o     –interaction by the user and the system’s response captures functional requirements §   Use-case Model o  

MS - Sem1 - OO Analysis and Design - post 1

OO principles (The four fundamentals) – Abstraction (a simplified description)                 “An abstraction denotes the essential characteristics of an object that distinguish it from all other kind of objects and thus provide crisply defined conceptual boundaries, relative to the perspective of the viewer” – Encapsulation                 In general, encapsulation is one of the four fundamentals of OOP (object-oriented programming). Encapsulation is to hide the variables or something inside a class, preventing unauthorized parties to use. So the public methods like getter and setter access it and the other classes call these methods for accessing. •Information hiding               •Interface –Implementation                                 •Behavior & Data In his book on object-oriented design , Grady Booch defined encapsulation as "the process of compartmentalizing the elements of an abstraction that constitute its structure and behavior; encapsulation

Beetel landline CLIP M27 - slim phone

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I've got a new Beetel landline called id (CLIP) phone model number M27 today :)       I love its cool looks and features

"Apple iPad 2 WiFi+3G (White & Black): Unboxing"

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Raj has shared a video with you on YouTube Apple iPad mini Wifi Cellular 64GB, white Features General 2G Network GSM 850 / 900 / 1800 / 1900 - A1454; A1455 CDMA 800 / 1900 / 2100 - A1455 3G Network HSDPA 850 / 900 / 1900 / 2100 - A1454; A1455 4G Network LTE ... more Apple iPad 2 WiFi+3G (White & Black): Unboxing by DetroitBORG This is a detailed unboxing, tour, comparison, and activation of the Black & White iPad 2 with 3G. Both are 64GB GSM (AT&T) mo