Entity to DTO Mapping Basics in Spring: A Simple Introduction!

Опубликовано: 24 Март 2026
на канале: JavaRangers
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🚀 Learn how to properly map Entity to DTO in Spring and protect your application from data leaks!

In this video, we cover the basics of mapping in Spring: how to transform Entity to DTO to improve application security and performance. We won't go into complex scenarios like One-to-Many or Many-to-One relationships — we'll leave those topics for future videos. If you're just starting out, this video is a great place to start! 👨‍💻

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Timecodes:
0:00 Disclaimer
0:12 Introduction
0:30 Intro
0:40 Topic of the video
0:57 Why is direct use of entities bad?
2:41 How does DTO work?
3:36 What are the main advantages of DTO?
4:27 Let's get started
8:15 Customization of mapping
12:52 DTO trick
13:02 Results & Conclusion