optimize code

src/main/java/wtf/beatrice/releasehive/Main.java

@@ -18,22 +18,25 @@ public class Main {
 
     public static void main(String[] args) {
         LOGGER.info("Hello world!");
+
+        LOGGER.info("Registering shutdown hooks");
         Runtime.getRuntime().addShutdownHook(shutdownHook);
 
+        LOGGER.info("Initializing database backend");
+        HibernateManager.initialize();
+
         LOGGER.info("Initializing Spring Boot");
         SpringApplication.run(Main.class, args);
-        LOGGER.info("Spring Boot initialized!");
 
-        HibernateManager.initialize();
+        LOGGER.info("Spring Boot & DB initialized!");
 
         Session session = HibernateManager.getSession();
         Transaction transaction = session.beginTransaction();
         List<User> users = session.createQuery("FROM User", User.class).getResultList();
-        for (User user : users) {
-            LOGGER.info("ID: {}, Name: {}", user.getUuid(), user.getUsername());
-        }
         transaction.commit();
 
+        users.forEach(user -> LOGGER.info("ID: {}, Name: {}", user.getUuid(), user.getUsername()));
+
     }
 
     private static final Thread shutdownHook = new Thread(() -> {

src/main/java/wtf/beatrice/releasehive/resource/AccountResource.java

@@ -1,8 +1,10 @@
 package wtf.beatrice.releasehive.resource;
 
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.*;
-import wtf.beatrice.releasehive.util.JsonUtil;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 import wtf.beatrice.releasehive.model.User;
 import wtf.beatrice.releasehive.service.AccountService;
 

src/main/java/wtf/beatrice/releasehive/service/AccountServiceImpl.java

@@ -17,7 +17,6 @@ public class AccountServiceImpl implements AccountService {
             return JsonUtil.spawnJsonError("Cannot register user without username");
         }
 
-
         if(null == user.getPassword() || user.getPassword().isEmpty()) {
             return JsonUtil.spawnJsonError("Cannot register user without password");
         }