1. Systems Development Jerry Post Copyright © 1997
OO: Chapter 3
Systems Development
Jerry Post
Copyright © 1997

2. Software Quality Correspondence/Validation Correctness/Verification
Does the system meet the needs of the organization?
Am I building the right product?
Correctness/Verification
Does the system meet the design specifications?
Am I building the product correctly/does the product work?

3. Use-Case Method Object-oriented analysis Object-oriented design
Determine system requirements
Identify classes
Identify class relationships
Object-oriented design
Define the objects and classes needed for implementation
Design for reuse, simplify, find generic classes.
Prototyping
Object-oriented implementation
Components
Support tools!
Use-Case (system requirements)
Identify users/actors
Use-case scenario to show interaction
Show user goals and needs
Talk with the user!
Represents user-view of the system.
Details in OO Chapter 6

4. Reusability Has my problem been solved already?
Has my problem been partially solved?
What has been done before to solve a similar problem?
Generic classes
Properties
Methods
Component libraries/Object repositories
Naming standards
Information hiding, standard interfaces