spring-boot-controller

package boothello;

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

@RestController
public class HelloController {

    @RequestMapping("/")
    public CustomResponse index() {
        return new CustomResponse();
    }

}

class CustomResponse {
    public String name = "hello";
    public String surname = "world";
}