SWE202: Object-Oriented Analysis and Design

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Questions and Answers

What was the primary reason for the Software Crisis?

Lack of OO Philosophy
Inefficient Programming Languages
Complexity and Communication (correct)
Inadequate Design Patterns

What is the primary goal of OO design patterns?

To create complex systems
To promote procedural programming
To provide reusable solutions to typical problems (correct)
To reduce the use of UML

Who are the prominent figures associated with the Rational Unified Process (RUP)?

Booch, Jacobson, and Rumbaugh (correct)
Larman, Rumbaugh, and Gamma
Booch, Jacobson, and Gamma
Hewlett Packard and ObjectSpace

What is the primary focus of OO analysis?

Analyzing use cases (D) Signup and view all the answers

What is the benefit of using OO design patterns?

They provide reusable solutions to typical problems (A) Signup and view all the answers

What is the purpose of the 'Problem' component in an OO design pattern?

To identify the context when the pattern should be applied (A) Signup and view all the answers

What is the primary benefit of the Object-Oriented approach?

Improved communication and reduced complexity (A) Signup and view all the answers

What is the purpose of the 'Consequences' component in an OO design pattern?

To evaluate the results and trade-offs of applying the pattern (A) Signup and view all the answers

What is the focus of RelationalDB, Network DB, and Hierarchical DB?

Persistent Data (C) Signup and view all the answers

What is the acronym for Abstract Data Type?

ADT (D) Signup and view all the answers

What is the focus of Knowledge Representation in A.I.?

Psychological Validity (D) Signup and view all the answers

What is the name of the diagram that represents the ERD?

Entity Relationship Diagram (D) Signup and view all the answers

What is the name of the concept that emerged in the mid-80's?

Object-Oriented Design (D) Signup and view all the answers

What is the name of the language that emerged in the late 1960's?

Simula (C) Signup and view all the answers

What is the focus of System/Software Engineering?

Emphasis in Efficiency (B) Signup and view all the answers

What is the name of the Unified Modeling Language?

UML (B) Signup and view all the answers

What is the primary objective of OOAD?

To analyze and design a system's structure and behavior (A) Signup and view all the answers

What is UML in the context of OOAD?

A notation for describing software systems (A) Signup and view all the answers

Where is OOAD typically used in software development?

Throughout the entire software development lifecycle (D) Signup and view all the answers

What is OMT in the context of OOAD?

An object-oriented methodology developed by James Rumbaugh (B) Signup and view all the answers

What is the primary focus of the Object Model in OMT?

Describing the static structure of the objects in the system and their relationships (C) Signup and view all the answers

What is the purpose of traceability in OOAD?

To ensure system specifications are met (C) Signup and view all the answers

What is the outcome of an 'accidental design' in OOAD?

An artificial problem (A) Signup and view all the answers

What is the primary focus of the Dynamic Model in OMT?

Describing the interactions among objects in the system (D) Signup and view all the answers

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Study Notes

Objectives

To understand why Object-Oriented (OO) is used in software construction
To know what Object-Oriented Analysis and Design (OOAD) is
To learn how to do OOAD

What is OOAD?

OOAD is a notation, similar to languages like English, Elvish, and Ku
It involves using Object-Oriented (OO) methodology to analyze and design systems

How to Do OOAD

Where to use OO: Systems Engineering, Quality Assurance, Requirements Analysis, Project Planning, Maintenance, Architectural Design, Detailed Design, Implementation, and Release
Importance of notation vs. process in OOAD
OOAD involves using Object Modeling Technique (OMT) by James Rumbaugh
OMT consists of:
- Object Model: describes the static structure of objects and their relationships
- Dynamic Model: describes the interactions among objects
- Functional Model: describes the data transformation of the system

History of OOAD

Historical perspective of OO technology and process
Evolution of OO programming languages, design, and analysis

OO Development Processes

Some popular OOAD processes:
- Fusion
- Recommended Process and Models
- The Rational Unified Process (RUP)
Importance of using OO design patterns for reusable solutions to typical problems
Design patterns have:
- Name: identifies a particular pattern
- Problem: identifies context when pattern should be applied
- Solution: abstract description of a design problem with a template object design
- Consequences: results and trade-offs of applying the pattern

Why Object-Oriented

Who's behind object-orientation: knowledge, representation, psychological validity, philosophical validity, and computational validity
Concerns: databases, emphasis on persistent data, relational databases, network databases, and hierarchical databases
Object-oriented programming languages: Simula, Smalltalk, C++, Protel, Java

Introduction to OOAD - Summary

Why OO: software crisis due to communication and complexity, languages, concepts, and models
What is OOAD: fundamental OO concepts, a little taste of UML
How to do OOAD: OO development processes and design patterns

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