1. Course Code-MCA-2005
Module 3
Object Oriented Software
Engineering -Introduction
Subject: Object Oriented Software Engineering Subject Code: MCA2005

2. Module-3
Subject: Object Oriented Software Engineering Subject Code: MCA2005 2
• Developing requirements:
– Domain analysis
– Types of requirements
– Requirements gathering
– Use cases: describing how the user
will use the system
– Techniques for gathering
requirements
– Managing changing requirements,
class

3. Domain Analysis

4. Domain Analysis Document

5. The Starting Point for Software
Projects

6. Defining the Problem and the
Scope

7. Defining the Scope

8. What is requirement

9. Types of requirement

10. Functional requirement

11. Quality requirement

12. Use cases-describing how the
user will use the system

13. Use cases

14. Scenarios

15. How to describe a single use case

16. Use case diagram

17. Extensions

18. Inclusions
An include relationship is a relationship in which one
use case (the base class) includes the functionality of
another use case (the inclusion use case)
Arrow is placed near the included use case. Arrow is
directed from base use case to included use case.

19. Generalization and Specialization
Bank account can be specialized in two accounts saving and credit
card account

20. Example Generalization,
Extension, Inclusion

21. Some Techniques for Gathering
and Analysing Requirements

22. Some Techniques for Gathering
and Analysing Requirements

23. Managing Changing Requirements