Student.java

@Data
@AllArgsConstructor
@NoArgsConstructor
public class Student {
    private String id;
    private String name;
}

StudentController.java

@Controller
@RequestMapping("/")
public class StudentController {
    @RequestMapping(value = "/student", method = RequestMethod.GET)
    @ResponseBody
    public String getStudent() {
        Student s = new Student("minikuma", "jeaon");
        return s.toString();
    }
}