31.11 Equation Generator: Returning User-Defined Types
Most of the web services we’ve demonstrated received and returned primitive-type instances. It’s also possible to process instances of class types in a web service. These types can be passed to or returned from web service methods.
This section presents a RESTful EquationGenerator web service that generates random arithmetic equations of type Equation. The client is a math-tutoring application that accepts information about the mathematical question that the user wishes to attempt (addition, subtraction or multiplication) and the skill level of the user (1 specifies equations using numbers from 1 through 9, 2 specifies equations involving numbers from 10 through 99, and 3 specifies equations ...
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