August 2004
Intermediate to advanced
720 pages
19h 43m
English
The application is called the Personal Trade System. This is a stock trading application with several use cases. Figure 3-1 illustrates the complete use case diagram.
Login— This use case represents a login page to the system.
LogOff— This use case implements an explicit logout function that invalidates all credentials and session data.
Get Current Stock Data— This is a submission form where the user enters the symbol, and the system returns stock data. Figures 3-2 and 3-3 show the screens.

Get Stock History—
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