Master Java Web Services and REST API with Spring Boot- 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 steps to create a new class, define a method, and map a GET request to a specific URI. The tutorial also discusses using annotations like @RestController and @GetMapping to handle HTTP requests efficiently. The process is demonstrated with practical examples, highlighting the ease of using these annotations for mapping requests in Spring MVC.

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