@SpringBootApplication
    public class H2Application {

        public static void main(String[] args) {
            SpringApplication.run(H2Application.class, args);
        }

        @Bean
        CommandLineRunner init (StudentRepo studentRepo){
            return args -> {
                List<String> names = Arrays.asList("udara", "sampath");
                names.forEach(name -> studentRepo.save(new Student(name)));
            };
        }
    }