TO INTRODUCTION SOFTWARE ENG.
COURSE OBJECTIVES
PRACTICES IN SOFTWARE ENG. WITH EMPHASIS ON DEVELOPMENT PROCESS. SOFTWARE LIFE CYCLE, PROJECT MANAGEMENT, ANALYSIS, DESIGN, TESTING, CASE TOOLS.
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PROFESSOR MANISH PARASHAR WEB SITE: http://www.ece.rutgers.edu/~parashar/ Classes/ece452/ EMAIL: [e-mail] TA TO BE ANNOUNCED. BOOKS MENTIONED ON WEBSITE
PROJECT
PROJECT BASED COURSE. NOT A COURSE TO LEARN LANGUAGES IT IS A PREREQUISITE AN ONLINE SYSTEM LIKE amazon.com GROUP OF 15 3 TEAMS OF 5 MEMBERS EACH HANDLING DIFFERENT LAYER OF ARCHITECTURE.
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PROJECT CONTINUED
BASIC FUNCTIONALITIES WILL BE PROVIDED, REST IS UPTO EACH GROUP. DELIVERABLES : INITIAL, INTERMEDIATE & FINAL. MORE DETAILS ABOUT PROJECT NEXT WEEK FROM PROF. HIMSELF.
OO ANALYSIS & DESIGN UML
WHY NEED DESIGN & ANALYSIS
Creation of well designed , robust, manageable software Not good enough to know an object oriented language JAVA, C++, SmallTalk.
UML Unified Modeling Language
Graphic notation for modeling systems.
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STEPS IN SOFTWARE DEV.
REQUIREMENT SPECIFICATIONS ANALYSIS DESIGN CONSTRUCTION CODE TESTING IMPLEMENTATION
ANALYSIS & DESIGN
REQUIREMENT SPECIFICATION
Is the description of problem.
ANALYSIS
Investigation of the problem and not the solution.
DESIGN
Is finding a logical solution which fills the requirements.
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OO ANALYSIS & DESIGN
OO ANALYSIS
Consider the problem domain in perspective of objects(things, concepts, entities)
OO DESIGN
Defining the objects in terms of attributes & methods.
Analysis
Design
Construction
Investigation of problem
Logical Solution
Code
Library Management Book System object has Results in concepts Attributes as name Books, Library & & methods as Users. getISBNno()
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Business Analogy Business processes Employees roles
OO Analysis & Design Requirement Analysis Domain analysis
Associated Documents Use Cases Conceptual model Class diagram.
Responsibilities Design
EXAMPLE OF OOAD
PROBLEM DEFINITION
A dice game where two players play two die. If the total is seven, then the player wins.
OO ANALYSIS
Investigation the problem understanding the problem and its external environment. Expressed in use case narrative description of the problem.
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USE CASE
Name of use case Play a Game External Environment (also called Actors) - Players Description This use case begins when the players pick up and roll the dice. If the dice total seven, they win otherwise they lose.
CONCEPTUAL MODEL
Decomposition of the above use case into concepts and associations.
Player name 1 Plays 1 DiceGame 1 Includes 1 Rolls 2...