Master Microservices with Spring Boot and Spring Cloud - Step 03 – Creating a Hello World Service

The video tutorial explains how to create a simple REST controller in Spring that returns a hardcoded 'Hello World' text. It covers the creation of a new class, defining methods and URIs, and mapping GET requests using annotations. The tutorial also introduces the use of the GetMapping annotation to simplify request mapping, making the code more readable and concise.

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