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.

What is the purpose of the Hello World Controller in the context of a RESTful web service?

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Describe the steps needed to create a method that returns 'Hello World'.

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What annotations are used to define a REST controller and map a GET request?

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How can you test the Hello World service once it is implemented?

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Explain the difference between @RequestMapping and @GetMapping annotations.

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