HelloWorldController.java

package com.ahmet.springboot.helloworld.controller;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloWorldController {
	@RequestMapping("/")
	public String printHelloWorld() {
		return "I just want to say hello -- Spring Boot!";
	}
}