Learn how Spring Boot Model Mapper works Fast and Simple
Spring Boot allows you to create Entities that reflect your business model and database, external to your service logic you should not expose those unique properties. In the case of transferring information out to an API for example you should map the contents to a DTO (Data Transfer Object) that may not be exactly what your business entity shape looks like. For example elements like passwords should be excluded and computed properties may not be part of your entities but can be part of your DTO objects.
Learn how to use Mappers in Spring Boot and isolate and add a loosely coupled interfaces that does not break as code changes.
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