Intro

• DTO — Data Transfer Object
• DAO — Data Access Object
• PO — Persistence Object
• SO — Service Object
• BO — Business Object
• VO — Value Object

(來源: Charlie Lee | Medium, 程序之心)

References

• DAO, DTO, PO, SO, BO, VO… WTF..?. If you are a Java Developer you might… | by Colin But | Dev Genius

• 一次搞懂POJO、PO、DTO、VO、BO - HackMD

• (20) Controller、Service、Repository的建立 - 1 _ JpaRepository 的使用 | by Albert Hg | learning-from-jhipster | Medium

• Difference Between POJO, JavaBeans, DTO and VO | Baeldung