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Building a RESTFul Service using Spring Boot

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Everyone is talking about Microservices such as WSO2 Microservice Framework, Spring Boot, etc. Since I haven't worked on any Spring related project since a very long time, I thought to implement a simple RESTFul service using Spring Boot.

So I started with Spring documentation. It is straightforward.  You can create the structure of your project using "Spring Initializr". This is an online tool where you can add all the desired dependencies to your project POM file. Since I am a big fan of Maven, I am generating a maven project.

In the Spring Initializr UI, you can choose the Language, Spring Boot Version, Project Group ID, artifact name, etc. Please refer below screenshot for information I have provided while generating the project.



When clicking on "Generate Project", it will download zipped maven project into your computer. Unzip it and import into an IDE. The initial project structure is like below.



In my HelloWorld REST service implementation, it accepts u…