Java for Beginners with Hands-On Program and Capstone Project - Creating Service Layer Interface and Implementation Laye

The video tutorial explains how to create a service layer in Java, focusing on the creation of an interface named Bookservice. It highlights the importance of using DTOs instead of entities in the service layer for best practices. The tutorial also covers the creation of an implementation class within an impl package, demonstrating how to implement an interface in Java. The video concludes with a brief mention of the next steps, which involve creating the controller layer.

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