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Sure. A checking account has identity, state, and behavior, just like a software object.

Establishing the Requirements

This chapter develops a checking account class. To start, decide what checking account objects do and what data they hold. This process is called requirements analysis and is the most important phase of writing big programs.

The companies of the late, lamented, dot-com bubble were strong on sock-puppets and weak on requirements analysis.


Think of three data items that will be part of a checking account.