C# 2010 for Programmers, Fourth Edition

30. ATM Case Study, Part 1: Object-Oriented Design with the UML

Objectives

In this chapter you’ll learn:

• A simple object-oriented design methodology.

• What a requirements document is.

• To identify classes and class attributes from a requirements document.

• To identify objects’ states, activities and operations from a requirements document.

• To determine the collaborations among objects in a system.

• To work with various UML diagrams to graphically model an object-oriented system.

Action speaks louder than words but not nearly as often.

—Mark Twain

Always design a thing by considering it in its next larger context.

—Eliel Saarinen

Oh, life is a glorious cycle of song.

—Dorothy Parker

The Wright brothers’ design ... allowed them to survive ...