RetailStoreService and Utility classes are updated

src/main/java/com/retail_store/order_management/service/RetailStoreService.java

@@ -324,7 +324,7 @@ public class RetailStoreService implements RetailStore, ProductFilter {
         Connection connection = getConnection();
         while (orderSelectFlag) {
             Map<Integer, Order> orders = getOrders(connection);
-            String orderMenu = orders.entrySet().stream().map(entry -> entry.getKey() + ". " + entry.getValue().getOrderId() + "\t" + entry.getValue().getCustomerName()).reduce((allorders, order) -> allorders + "\n" + order).get();
+            String orderMenu = orders.entrySet().stream().map(entry -> entry.getKey() + ". " + entry.getValue().getOrderId() + "\t" + entry.getValue().getCustomerName()).reduce((allorders, order) -> allorders + "\n" + order).orElse("\n----------\nNo orders currently in your orders list");
             getLogger().info(orderMenu);
             getLogger().info("\n-----------------------------\nEnter 0 to go back.\n-----------------------------\n");
             getLogger().info("\n-----------------------------\nSelect order from the above list\n-----------------------------\n");

src/main/java/com/retail_store/order_management/utils/Utility.java

@@ -31,15 +31,18 @@ public final class Utility {
     }
 
     public static Size getSize(boolean check, String message) {
+        Size sizeValue;
         String categoryOptions = Arrays.stream(Size.values()).filter(size -> !size.equals(Size.EXIT)).map(size -> "(" + size.getOption() + ")" + size).reduce((sizes, size) -> sizes + " " + size).get() + "\nPress 0 to go back.";
         if (check) {
             getLogger().info("\n------------------------\n" + message + "\n------------------------\n" + categoryOptions + "\n------------------------\n");
         }
         int option = getInt();
-        return Arrays.stream(Size.values()).filter(size -> size.getOption() == option).findFirst().orElseGet(() -> {
+        sizeValue = Arrays.stream(Size.values()).filter(size -> size.getOption() == option).findFirst().orElseGet(() -> {
             getLogger().info("\n------------------------\nPlease enter valid category\n------------------------\n" + categoryOptions + "\n------------------------\n");
             return getSize(false, message);
+
         });
+        return sizeValue.equals(Size.EXIT) ? null : sizeValue;
     }
 
     public static Gender getGender(boolean check, String message) {