Android™ How to Program, Second Edition

1.8.9. Object-Oriented Analysis and Design (OOAD)

How will you create the code for your programs? Perhaps, like many programmers, you’ll simply turn on your computer and start typing. This approach may work for small programs, but what if you were asked to create a software system to control thousands of automated teller machines for a major bank? Or suppose you were asked to work on a team of 1,000 software developers building the next U.S. air traffic control system? For projects so large and complex, you should not simply sit down and start writing programs.

To create the best solutions, you should follow a detailed analysis process for determining your project’s requirements (i.e., defining what the system is supposed to do) and developing ...