src/main/java/de/thm/arsnova/controller/PaginationController.java

 /*
  * This file is part of ARSnova Backend.
- * Copyright (C) 2012-2018 The ARSnova Team and Contributors
+ * Copyright (C) 2012-2019 The ARSnova Team and Contributors
  *
  * ARSnova Backend is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -15,6 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+
 package de.thm.arsnova.controller;
 
 /**
@@ -24,7 +25,7 @@ public abstract class PaginationController extends AbstractController {
 	protected int offset = -1;
 	protected int limit = -1;
 
-	public void setRange(int start, int end) {
+	public void setRange(final int start, final int end) {
 		this.offset = start;
 		this.limit = end != -1 && start <= end ? end - start + 1 : -1;
 	}

src/main/java/de/thm/arsnova/controller/package-info.java

 /**
- * The 'C' in MVC
+ * Controllers and helper classes which define the public API.
  */
+
 package de.thm.arsnova.controller;

src/main/java/de/thm/arsnova/controller/v2/WelcomeController.java

 package de.thm.arsnova.controller.v2;
 
 import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 
 @Controller("v2WelcomeController")
 @RequestMapping("/v2")
 public class WelcomeController {
-	@RequestMapping(value = "/")
+	@GetMapping(value = "/")
 	public String forwardHome() {
 		return "forward:/";
 	}