Clean up scanners

Co-Authored-By: cedricjansen <[email protected]>

src/main/java/de/hspforzheim/items/FlightManager.java

@@ -215,7 +215,7 @@ private int getFlightInput(ArrayList<Flight> allFlights) {
                 scanner.next();
             }
         }
-
+        scanner.close();
         return input;
     }
 
@@ -239,6 +239,7 @@ private int getDishInput(ArrayList<Dish> dishes) {
                 scanner.next();
             }
         }
+        scanner.close();
         return input;
     }
 

src/main/java/de/hspforzheim/items/Manager.java

@@ -53,6 +53,7 @@ protected void delete(Object sender) {
         System.out.println(DELETE_HEAD); // Print the head.
         // If sender is instanceof Flightmanager and there are no flights to delete, return.
         if(listIsEmpty(flights, dishes, sender)) {
+            scanner.close();
             return;
         };
         // While user input is anything but IN, ID or X, loop.

src/main/java/de/hspforzheim/menues/Menu.java

@@ -7,7 +7,6 @@
 
 import de.hspforzheim.Eaf;
 import de.hspforzheim.commands.MenuOperation;
-import de.hspforzheim.commands.OperationType;
 import java.util.Calendar;
 import java.util.InputMismatchException;
 import java.util.Scanner;
@@ -105,6 +104,7 @@ protected void userInput() {
             userInput = -1;
             scanner.next(); // ignore this input and clear stream for the next one.
         }
+        scanner.close();
     }
 
 

src/main/java/items/FlightManager.java

@@ -215,7 +215,7 @@ private int getFlightInput(ArrayList<Flight> allFlights) {
                 scanner.next();
             }
         }
-
+        scanner.close();
         return input;
     }
 
@@ -239,6 +239,7 @@ private int getDishInput(ArrayList<Dish> dishes) {
                 scanner.next();
             }
         }
+        scanner.close();
         return input;
     }
 

src/main/java/items/Manager.java

@@ -53,6 +53,7 @@ protected void delete(Object sender) {
         System.out.println(DELETE_HEAD); // Print the head.
         // If sender is instanceof Flightmanager and there are no flights to delete, return.
         if(listIsEmpty(flights, dishes, sender)) {
+            scanner.close();
             return;
         };
         // While user input is anything but IN, ID or X, loop.