@FunctionalInterface public interface ApplicationRunner
SpringApplication. Multiple ApplicationRunner beans can be defined
 within the same application context and can be ordered using the Ordered
 interface or @Order annotation.CommandLineRunner| Modifier and Type | Method and Description | 
|---|---|
| void | run(ApplicationArguments args)Callback used to run the bean. | 
void run(ApplicationArguments args) throws Exception
args - incoming application argumentsException - on error