@Component

public class AppService {

 @Value("1")

 private int version;

 @Value("classpath:/app.properties")

 private Resource resource_app;

 private String app;

 @Value("classpath:/logo.txt")

 private Resource resource;

 private String logo;

 @PostConstruct

 public void init() throws IOException {

  try (var reader = new BufferedReader(

    new InputStreamReader(resource.getInputStream(), StandardCharsets.UTF_8))) {

   this.logo = reader.lines().collect(Collectors.joining("\n"));

  }

  try (var reader = new BufferedReader(

    new InputStreamReader(resource_app.getInputStream(), StandardCharsets.UTF_8))) {

   this.app =reader.lines().collect(Collectors.joining("\n"));

  }

 }

 public void printLogo() {

  System.out.println(logo);

  System.out.println("app.version: " + version);

 }

 public void printApp() {

  System.out.println(app);

 }

 @PreDestroy

 public void shutDown() {

  System.out.println("end!");

 }

}