Added even more comments

app/src/main/java/com/a1/nextlocation/recyclerview/CouponListManager.java

@@ -23,7 +23,7 @@ public enum CouponListManager {
     }
 
     /**
-     * Prepares the list for loading
+     * prepares the list for the adapter
      */
     public void load(){
         CouponLoader couponLoader = new CouponLoader(this.context);

app/src/main/java/com/a1/nextlocation/recyclerview/LocationListManager.java

@@ -24,10 +24,9 @@ public enum LocationListManager {
         return locationList;
     }
 
-    public Location getLocation(int place) {
-        return locationList.get(place);
-    }
-
+    /**
+     * prepares the array list for the adapter
+     */
     public void load() {
         LocationLoader locationLoader = new LocationLoader(this.context);
         this.locationList = locationLoader.load();

app/src/main/java/com/a1/nextlocation/recyclerview/LocationLoader.java

@@ -17,6 +17,10 @@ public class LocationLoader implements Loader<List<Location>> {
         this.context = context;
     }
 
+    /**
+     * loads the array list from a JSON file
+     * @return array list with locations
+     */
     @Override
     public ArrayList<Location> load() {
         FileIO<ArrayList<Location>> fileIO = new FileIO<>();

app/src/main/java/com/a1/nextlocation/recyclerview/RouteAdapter.java

@@ -41,6 +41,10 @@ public class RouteAdapter extends RecyclerView.Adapter<RouteAdapter.RouteViewHol
             clickListener.onItemClick(getAdapterPosition());
         }
 
+        /**
+         * sets the text of the route name
+         * @param text the text that will be set
+         */
         public void setTextViewText(String text){
             this.routeName = itemView.findViewById(R.id.route_name);
             this.routeName.setText(text);

app/src/main/java/com/a1/nextlocation/recyclerview/RouteListManager.java

@@ -18,15 +18,13 @@ public enum RouteListManager{
         this.routeList = new ArrayList<>();
     }
 
-
     public List<Route> getRouteList() {
         return routeList;
     }
 
-    public Route getRoute(int place) {
-        return routeList.get(place);
-    }
-
+    /**
+     * prepares the array list for the adapter
+     */
     public void load() {
         RouteLoader routeLoader = new RouteLoader(this.context);
         this.routeList = routeLoader.load();

app/src/main/java/com/a1/nextlocation/recyclerview/RouteLoader.java

@@ -18,6 +18,10 @@ public class RouteLoader implements Loader<List<Route>> {
         this.context = context;
     }
 
+    /**
+     * loads an array list from a JSON
+     * @return an array list with routes
+     */
     @Override
     public ArrayList<Route> load() {