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Object Technology Fundamentals: Strengths, History & Applications

Explore the principles guiding software construction in object technology, its milestones, and how it is used today in systems like client/server, web development, and real-time applications. Understand the differences between Object-Oriented (OO) and Structured Design methods. Engage in discussions on object technology’s strengths, weaknesses, and the reasons for transitioning to it.

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Object Technology Fundamentals: Strengths, History & Applications

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  1. Fundamentals of Visual Modeling with UMLModule 1: Introduction to Object Technology

  2. Objectives • Define object technology and show its strengths • Explain the history of object technology • Discuss how object technology is used today

  3. Where Are We? • What is object technology? • Where is object technology used today?

  4. What Is Object Technology? • A set of principles (abstraction, encapsulation, polymorphism) guiding software construction, together with languages, databases, and other tools that support those principles. (Object Technology - A Manager’s Guide, Taylor, 1997.)

  5. The Strengths of Object Technology • Reflects a single paradigm • Facilitates architectural and code reuse • Reflects real world models more closely • Encourages stability • Is adaptive to change

  6. Simula C ++ The UML Late 1980s 1996 1967 1991 2002+ 1972 Smalltalk Java ??? The History of Object Technology • Major object technology milestones

  7. Where Are We? • What is object technology? • Where is object technology used today?

  8. Where Is Object Technology Used? • Client/Server Systems and Web Development • Object technology allows companies to encapsulate business information in objects and helps to distribute processing across the internet or a network.

  9. Where Is Object Technology Used? (cont.) • Real-time systems • Object technology enables real-time systems to be developed with higher quality and flexibility.

  10. Differences Between OO and Structured Design • Meets data and data flow process in OO • Encapsulates at different levels • Promotes reuse of code differently • Permits software extensibility in OO

  11. Discussion • What is your perception of object technology? • What do you perceive as object technology’s strengths? Its weaknesses? • Why are you making the shift to object technology?

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