Xem 1-20 trên 100 kết quả Uml concepts
  • This book is intended to be a complete and useful reference to the Unified Model- ing Language (UML) for the developer, architect, project manager, system engi- neer, programmer, analyst, contracting officer, customer, and anyone else who needs to specify, design, build, or understand complex software systems. It pro- vides a full reference to the concepts and constructs of UML, including their se- mantics, syntax, notation, and purpose. It is organized to be a convenient but thorough reference for the working professional developer.

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  • Since it’s standardization by the OMG (Object Management Group) in November 1997, the Unified Modeling Language (UML) has had a tremendous impact on how software systems are developed. The role of modeling in specifying and documenting complex software systems is being accepted, and an industrial approach to software engineering is on its way to becoming reality.

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  • In this chapter, we describing features that have been proposed for semantic data models, and show how the ER model can be enhanced to include these concepts, leading to the Enhanced ER (EER) model.

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  • Objectives, concepts, relevant domain properties, system/software requirements, assumptions, responsibilities...

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  • All geographic information systems (GIS) are built using formal models that describe how things are located in space. A formal model is an abstract and well-defined system of concepts. It defines the vocabulary that we can use to describe and reason about things. A geographic data model defines the vocabulary for describing and reasoning about the things that are located on the earth. Geographic data models serve as the foundation on which all geographic information systems are built. We are all familiar with one model for geographic information—the map.

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  • This book aims to instil the reader with an understanding of the Object Oriented approach to programming and aims to develop some practical skills along the way. These practical skills will be developed by small exercises that the reader will be invited to undertake and the feedback that will be provided. The concepts that will be explained and skills developed are in common use among programmers using many modern object oriented languages and are thus transferrable from one language to another.

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  • EER Model includes all modeling concepts of basic ER and additional concepts: subclasses/superclasses (lớp con/lớp cha), specialization (chuyên biệt)/generalization (tổng quát); categories, attribute inheritance (phân cấp). It is used to model applications more completely and accurately if needed. It includes some object-oriented concepts, such as inheritance.

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  • This is the second of two chapters on object-oriented tools and techniques for systems development. This chapter focuses specifically on tools and techniques that are used during systems design. You will know object-oriented systems design when you can: Differentiate between entity, interface, control, persistence, and system classes; understand the concept of a dependency and navigability; define visibility and explain its three levels;...

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  • Collection of similar entities or concepts into a higher level concept. EMPLOYEE class collects all employees into one class A class has properties called “class properties”. EMPLOYEE class has class properties - e.g., average salary, total number of employees. Each member has values for own properties (e.g. name, address, salary): called member properties.

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  • Collection of similar entities or concepts into a higher level concept. EMPLOYEE class collects all employees into one class A class has properties called “class properties”. EMPLOYEE class has class properties - e.g., average salary, total number of employees. Each member has values for own properties (e.g. name, address, salary): called member properties.

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  • Advanced Programming Language: Chapter 2 - Objects oriented programming presents about OO Programming Concepts, Objects, Classes, UML Class Diagram, Constructors, Creating Objects Using Constructors, Default Constructor, Declaring Object Reference Variables.

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  • Chapter 7 - Entity-relationship model. This chapter provides an overview of the database-design process, with major emphasis on database design using the entity-relationship data model. The entity-relationship data model provides a high-level view of the issues in database design, and of the problems that we encounter in capturing the semantics of realistic applications within the constraints of a data model. UML class-diagram notation is also covered in this chapter.

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  • Roughly, shows how relevant system concepts are structured and interrelated. Represented by UML class diagram ...

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  • Absolute C++ (4th Edition) part 1. KEY BENEFIT: C++ programming concepts and techniques are presented in a straightforward style using understandable language and code.

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  • The major changes to this Fourth Edition include an earlier introduction to UML, a new section on inter-file communication in Chapter 13, and a revised approach to software development in Chapter 16. Introducing the UML at the beginning allows the use of UML diagrams where they fit naturally with topics in the text, so there are many new UML diagrams throughout the book. The section on inter-file communication gathers together many concepts that were previously scattered throughout the book.

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  • Absolute C++ (4th Edition) part 4. KEY BENEFIT: C++ programming concepts and techniques are presented in a straightforward style using understandable language and code.

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  • Absolute C++ (4th Edition) part 2. KEY BENEFIT: C++ programming concepts and techniques are presented in a straightforward style using understandable language and code.

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  • Absolute C++ (4th Edition) part 3. KEY BENEFIT: C++ programming concepts and techniques are presented in a straightforward style using understandable language and code.

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  • Absolute C++ (4th Edition) part 5. KEY BENEFIT: C++ programming concepts and techniques are presented in a straightforward style using understandable language and code.

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  • Absolute C++ (4th Edition) part 6. KEY BENEFIT: C++ programming concepts and techniques are presented in a straightforward style using understandable language and code.

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