From the course: Jakarta EE: Building Your First Application

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Complete business logic in Jakarta RESTful resource

Complete business logic in Jakarta RESTful resource

From the course: Jakarta EE: Building Your First Application

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Complete business logic in Jakarta RESTful resource

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- [Instructor] Let's start from where we left our code that generates the price change value. And now for the business rule, I get the day of the week. So I'll type int dayOfWeek by saying now.get Calendar.DAY_OF_WEEK, which would be 1 for Sunday and 7 for Saturday for a week starting from Sunday. And then I do a switch case of the day of the week. Case 2 and 3 here is Monday and Tuesday. So we have the price increasing by an amount between $1 to $5. So I create a random integer with the least value of 1, inclusive, and an upper bound of 6, exclusive. Case 4, which is Wednesday, we have the price reduced by an amount between $1 to $3 and create a random number like this. But see here that I'm making it a negative value by multiplying it by -1. Case 5 and 6, Thursdays and Fridays, the price increases by $1 to $2, and here's the random number for that. And finally, on Sunday and Saturday, the price is reduced by $1…

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