DTO is probably the most straightforward pattern in object-oriented programming. What could be the motives for using DTOs in our applications? By Andrey Belyaev.
In this guide you will find information about:
- Introduction: what is DTO?
- Where do we need DTOs?
- DTOs for API layer
- Entities vs. DTOs on the business layer
- No-DTO approach
- How to map an entity to DTO?
- POJOs and Hibernate
- POJOs and mappers
- Spring Data JPA Projections
It is hard to avoid DTOs in modern business applications. The most common reason to use them – stabilize the application’s external API and hide some information from the data transferred via this API. Nice one!
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