The business logic layer design of five PetShop
The Business Logic layer (Business Logic Layer) is undoubtedly the part of the system architecture that embodies the core value. Its focus is mainly on the development of business rules, the
Conditional statement, which is a kind of statement that chooses to execute according to the condition in the program, the difficulty lies in how to abstract the condition accurately in the actual use of such statement. For example, to implement the
If else is really much in developmentJust hit the code, looked down and found n more than if else ahI hope we can give you a good suggestion.
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Use pattern, such as chain of responsibility
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Enum
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I'm here to pick up the points,
Five PetShop business logic layer designThe Business Logic Layer is undoubtedly part of the system architecture that reflects the core value. Its focus is mainly on the formulation of business rules, the implementation of business processes, and
Anatomy petshop Series 5
Five petshop business logic layer designThe business logic layer is undoubtedly part of the system architecture that reflects the core value. Its focus is mainly on the formulation of business rules, the implementation of
The main difference between process-oriented design and object-oriented design is whether to use lengthy if else judgment at the business logic layer. If you are still using the if else in large quantities, except for the interface presentation
The main difference between process-oriented design and object-oriented design is whether to use lengthy if else judgment at the business logic layer. If you are still using the if else in large quantities, except for the interface presentation
Question: Evaluate the final test scores of Students
Score> = 90:
90> score> = 80: B
80> score> = 70: c
70> score> = 60: d
Solution 1: If else if is not understood, and this error is easy to make.
If (score> = 90) // condition 1 {console.
Banqiao people http://www.jdon.com 2006/1/11
The main difference between process-oriented design and object-oriented design is whether to use lengthy if else judgment at the business logic layer. If you are still using the if else in large
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