object oriented analysis and design concepts pdf

... have been defined as creation of a new object, creation of a new object from an existing object, and relocation of an existing object (Chapter 5, Section 3.3) The aim here is to illustrate the ... (stages 1 to 3) and the third update procedure (stages 4 and 5) Stages 1, 2, 3: creation from an existing object Suppose the user has selected as ground feature the Barnwell Road object, as shown ... scenario handles the update procedures due to natural changes and new demarcation descriptions occurring over public boundaries Three update procedures have been defined as creation of a new object,

Ngày tải lên: 08/08/2014, 00:23

... temporal and spatial objects into spatio-temporal objects in databases Spatio-temporal objects describe the temporal behaviour of ‘moving’ points and regions within the model Trang 4OBJECT-ORIENTED DESIGN ... based on object-oriented analysis and design methods is fundamental to creating an open GIS The STDM provides the user with a coherent computational model that encapsulates object classes, and spatio-temporal ... functions and extensibility) Communication models are often modelled using an object-oriented approach An object encapsulates state and provides a well-defined interface to the rest of the system Objects

Ngày tải lên: 08/08/2014, 00:23

... object-oriented analysis methods 31 object-oriented analysis and design methods 32 choosing a method 32 literature review 27 main modelling constructs 36 object-oriented database systems 30 object-oriented ... charting 10 O2 30 object 36 active object 34 client object 34 passive object 34 server object 34 object identifier 51, 82 object identity (OID) 43 object key 83 object maker 32, 55 object management ... Object-oriented database systems: strengths and weakness. Journal of Object- Oriented Programming, July/Aug, 21–3. KIM, W. and LOCHOVSKY, F.H., 1989, Object-Oriented Concepts, Applications and Databases,

Ngày tải lên: 08/08/2014, 00:23

... Design section.Class designFigure 3.21 Design VOPC for login use-caseFigure 3.22 Design VOPC for register use-caseFigure 3.23 Design VOPC for update personal information use-caseFigure 3.24 Design ... dayUse-case designIdentify design mechanismsAnalysis mechanism Design mechanism Implementation mechanismSecurity Web tokens Java Spring frameworkDistribution REST API Java Spring frameworkTable 3-2 Design ... conciseness and legibility – they are shown in full in the Class Design section.Figure 3.8 Design sequence diagram for Login use-caseFigure 3.9 Design sequence diagram for Register use-caseFigure 3.10 Design

Ngày tải lên: 04/05/2024, 14:22

... Trang 1UNIVERSITY OF ENGINEERING AND TECHNOLOGYJob Seeker Website PROJECT REPORT ON OBJECT-ORIENTED ANALYSIS and DESIGN Major: Computer Science Supervisor : Assoc Prof Trương ... The Candidate user have to log in successfully Trang 401.3 Identify subsystems and interfacesFigure 4.5 The Database subsystem and interfaces 1.4 Identify design mechanisms Table 4.2 Design and ... UC2.4 Database design Trang 57CHAPTER 5 USER INTERFACE DESIGN1 User interface design Objectives of designing user interface: ● User-friendly interface ● Information is presented clearly and highlight

Ngày tải lên: 04/05/2024, 14:22

... University of Technical Education HCMC Faculty of Information Technology o0o OBJECT-ORIENTED ANALYSIS AND DESIGN Decorator Lecturer: Nguyễn Trần Thi Văn 2/25/19 Nội dung Đặt vấn đề Giai pháp ... rõ cấu trúc Decorator pattern 2/25/19 2/25/19 Tổng quan Decorator    Decorator Pattern loại design pattern thuộc mơ hình cấu trúc (structural pattern) Decorator pattern cách mở rộng phương ... đối tượng so với cách kế thừa truyền thống Nhược điểm: o Việc bảo trì vấn đề cung cấp nhiều loại Object class chức 2/25/19 20 Các mẫu liên quan Mẫu Decorator khác với Adapter, Decorator thay đổi

Ngày tải lên: 25/02/2019, 22:15

... through sounds and images" [5]. To this end, Object-Oriented Programming Languajes 480 SmalItalk is built around two simple concepts: everything is treated as an object, and objects communicate ... the designer of Pascal. Object PascaPs immediate ancestor is Clascal, an object-oriented version of Pascal for the Lisa. Object Pascal was made publicly available in 1986 and is the first object-oriented ... Hecht, A., Tryon, D., and Hywari, W September 1988 Object-Oriented Analysis: Theory and Practice, Course Notes, in Object-Ollented Programming Systems, Languages, and Applications San

Ngày tải lên: 12/08/2014, 21:21

... 1ĐẠI HỌC QUỐC GIA THÀNH PHỐ HỒ CHÍ MINHTRƯỜNG ĐẠI HỌC CÔNG NGHỆ THÔNG TIN ĐỒ ÁN: OBJECT-ORIENTED ANALYSIS AND DESIGN GVHD: Nguyễn Công Hoan Trang 2LỜI CÁM ƠN!Để có thể hoàn thành tốt bài tiểu ... Phố Hồ Chí Minh đã nhiệt giúp đỡ chúng em hoàn thành đồ án này! Bài viết là đề tài OBJECT-ORIENTED ANALYSIS AND DESIGN. Dù các thành viên trong nhóm đã cố gắng làm việc miệt mài và nghiêm túc, ... MỤC LỤC: Trang 4CHƯƠNG I: GIỚI THIỆULập trình hướng đối tượng (gọi tắt là OOP, từ chữ Anh ngữ object-oriented programming), hay còn gọi là lập trình định hướng đối tượng, là kĩ thuật lập trình

Ngày tải lên: 13/03/2014, 13:47

... ShIaer and Mellor [B 1988] and Bailin [B 1988] Since then, a variety of object-oriented analysis and design methods have been proposed, most notably Rumbaugh [F 1991], Coad and Yourdon ... right classes and objects and then organizing them into separate modules are largely independent design decisions. The identification of classes and objects is part of the logical design of the ... of object-based and object-oriented. .. Stefik and Bobrow [G 1986], Stroustrup [G 1988], Nygaard [G 1986], and Grogono [G 1991] are good starting points on the important issues in object-oriented

Ngày tải lên: 12/08/2014, 21:21

... In the context of object-oriented analysis and design, we define a class as follows: A class is a set of objects that share a common structure and a common behavior A single object is simply ... {} 3.3 The Nature of a Class What Is and What lsn't a Class The concepts of a class and an object are tightly interwoven, for we cannot talk about an object without regard for its class However, ... set of objects that share a common structure and a common behavior What isn't a class? An object is not a class, although, curiously, as we will describe later, a class may be an object Objects

Ngày tải lên: 12/08/2014, 21:21

... either objects or operations. Structured Analysis A second alternative to classical object-oriented analysis uses the products of structured analysis as a front end to object-oriented design. ... meaning of classes and objects and their relationships As Figure 5-1 suggests, we may capture our analysis and design decisions regarding these classes and objects and their collaborations...Chapter ... an object-oriented system from a model that is so obviously biased towards algorithmic decomposition. This is why we prefer object-oriented analysis as the front end to object-oriented design:

Ngày tải lên: 12/08/2014, 21:21

... design" [1] As we described in Chapters 1 and 5, the architecture of an object-oriented software system encompasses its class and object structure, organized in terms of distinct layers and ... classes and objects at a given level of abstraction • Identify the semantics of these classes and objects • Identify the relationships among these classes and objects • Specify the interface and ... Apply the classical approach to object-oriented analysis (page 155) to generate a set of candidate classes and objects Early in the life cycle, tangible things and the roles they play are good

Ngày tải lên: 12/08/2014, 21:21

... employing object-oriented methods However, because the object-object-oriented process places an emphasis upon architectural design, we tend to accelerate the deployment of architects and other designers ... and become effective class designers 7.8 The Benefits and Risks of Object-Oriented Development The Benefits of Object-Oriented Development The adopters of object-oriented technology usually ... the oriented approach can reduce development time and the size of the resulting source code [19, object-20, 21] The Risks of Object-Oriented Development On the darker side of object-oriented design,

Ngày tải lên: 12/08/2014, 21:21

... in the field, most notably Aho, Hopcroft, and Ullman [3], Kernighan and Plauger [4], Sedgewick [5], Stubbs and Webre [6], Tenenbaum and Augenstein [7], and Wirth [8] As we continue our study, we ... interplay of hardware and software may be found in Lorin [H 1972] Trang 11327 Frameworks: Foundation Class Library A major benefit of object-oriented programming languages such as C++ and Smalltalk ... autonomous and relatively static objects In the current problem, two very different issues dominate: the desire for an adaptable architecture that offers a range of time and space alternatives, and

Ngày tải lên: 12/08/2014, 21:21

... model, the Object Management Group common object request broker (CORBA), and object-oriented extensions to SQL (SQL3), as well as vendor-specific solutions such as Microsoft’s object linking and embedding ... logical objects Those that refer to the way data are actually stored in the system are called physical objects" [10] In a process not unlike that of object-oriented design, database designers ... the full power of an object-oriented database, but who from Trang 6time to time need to save the state of structures such as queues and sets, and then reconstruct these objects in a later invocation

Ngày tải lên: 12/08/2014, 21:21

... between knowledge sources and assumptions than between knowledge sources and letters Design of the Blackboard Objects Let's complete our design of the Sentence, Word, and CipherLetter classes, ... forward- and backward-chaining in rule-based systems may be found in Barr and Feigenbaum U 19811; Brachman and Levesque U 19851; Hayes Roth, Waterman, and Lenat U 19831; and Winston and Hom [G ... blackboard object and a kind of dependent In addition to its inherited behaviors, each cipher-letter object has a value (such as the ciphertext letter H) together with a collection of assumptions and

Ngày tải lên: 12/08/2014, 21:21

... set of objects.Objects are responsible for knowing and doing certain things Objects collaborate to carry out their responsibilities Programs organized by classes, inheritance hierarchies and subsystems ... people model the world with "objects" • objects • classes • relationships between objects • relationships between classes Trang 16Advantages of object-oriented software development • more ... an object, anyway?Programming language view An object-oriented system is characterized by • data abstraction • inheritance • polymorphism by late-binding of procedure calls Trang 12Heart of Object-Oriented

Ngày tải lên: 24/10/2014, 00:42

... finite length design by properly addressing the rate splitting issue, and finally, conclusions and perspectives are drawn in Section 5 2 System Description and Notations 2.1 Definitions and Notations ... variation and to finite length design In the next section, we draw the density evolution analysis under Gaus-sian approximation, and show the advantages of considering a joint decoder 3 Asymptotic Analysis ... pagesdoi:10.1155/2009/657970 Research Article Jointly Decoded Raptor Codes: Analysis and Design for the BIAWGN Channel Auguste Venkiah, Charly Poulliat, and David Declercq ETIS, CNRS, ENSEA, Cergy-Pontoise University,

Ngày tải lên: 21/06/2014, 22:20

... Article Analysis and Design of Timing Recovery Schemes for DMT Systems over Indoor Power-Line Channels Jos ´e Antonio Cort ´es, Luis D´ıez, Eduardo Martos-Naya, Francisco Javier Ca ˜nete, and Jos ... =5 ps Figure 3: Oscillator and aperture phase noise spectra whereS s(f ) is the PSD of the signal in (2) and dBc/Hz stands for dB below the carrier power in a 1 Hz bandwidth.L( f ) is a very popular ... minimize the unavoidable resonance that appears in the passband and to achieve narrowband notches As a re-sult,ξ iis fixed to 0.1 in all filters andω0,i = ω z,i k(α), where k(α) = ⎧ ⎪ ⎪ 1, 0< α ≤4·10−3,

Ngày tải lên: 22/06/2014, 20:20

... (sand casting) Trang 3ANALYSIS AND DESIGN OF FLIGHT VEHICLE STRUCTURES B2 31 AZ61A, AZGZA, AZ8OA MAGNESIUM (EXTRUSIONS, FORGINGS, CASTINGS) Table B2.22 Design Mechanical and Physical Properties ... Specifications for AZ63A Sand castings Permanent-mold castings TABLE 4.2.3.0(b) Design Mechanical and Physical Properties of AZ63A Magnesiums Alloy (Castings) Sand and permanent- ° * a e a ... the center and with radius EC describe a circle cutting OB at F and shear on face AB of Fib b It can be proven that OF and 0G are the principal stresses Cmax, and Ggin respectively and EC 1s the

Ngày tải lên: 07/08/2014, 10:20