Is there a preferred naming convention for Optional variables?

• jackson-modules-java8

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  Set of support modules for Java 8 datatypes (Optionals, date/time) and features (parameter names)

  

Let's say you have a REST API that returns customers. The service layer would talk to repository layer which would talk to the entity layer to ultimately get the Customer object. It makes the most sense just to return Optional to the controller, and using a certain serialization module, the Optional would automatically get translated to JSON.

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