trying to fix tags

src/main/java/edu/ntnu/stud/Main.java

 package edu.ntnu.stud;
 
+import edu.ntnu.stud.menubuilder.UserInterface;
+
 public class Main {
 
+  public static void main(String[] args) {
+    UserInterface blarg = new UserInterface();
+    blarg.init();
+    blarg.start();
+  }
+
+    
 }

src/main/java/edu/ntnu/stud/menubuilder/UserInterface.java

 package edu.ntnu.stud.menubuilder;
 
+import edu.ntnu.stud.menubuilder.menu.Menu;
+import edu.ntnu.stud.menubuilder.trainz.Station;
 
 /** .
  *
  */
-public class TrainDispatchSystem {
+public class UserInterface {
+  private Menu mainMenu;
+  private Station station;
 
+
+  private static Menu buildSubmenu(String menuName, Station myStation) {
+    Menu tmpMenu = new Menu(menuName);
+
+    //logic to make MenuItems for the Menu goes here
+
+    return tmpMenu;
+  }
+
+
+  /** Innitialize the main menu and all menu functionality.
+   *
+   */
+  public void init() {
+    station = new Station();
+    mainMenu = new Menu("Example Main Menu");
+    mainMenu.newEntry("Option 1", () -> System.out.println("Execute Option 1"));
+    mainMenu.newEntry("Option 2", () -> System.out.println("Execute Option 2"));
+    mainMenu.newEntry("Option 3", () -> System.out.println("Execute Option 3"));
+    mainMenu.newEntry("Submenu 4", () -> UserInterface.buildSubmenu("Option 4", station));
+
+
+  }
+
+  /** Display the menu and start running menu functionality.
+   *
+   */
+  public void start() {
+    mainMenu.displayMenu(false);
+  }
 }

src/main/java/edu/ntnu/stud/menubuilder/trainz/Departure.java

@@ -77,7 +77,7 @@ class Departure {
   private void verifySetDelay(Duration duration) {
     if (this.originalDepartureTime.plus(duration).isBefore(this.originalDepartureTime)) {
       throw new IllegalArgumentException(
-        "Substracting this delay duration makes the departure time LocalTime less than original departure.");
+        "The new delay duration makes the departure before originalDeparture.");
     }
     if (this.originalDepartureTime.plus(duration).isAfter(LocalTime.MAX)) {
       throw new IllegalArgumentException(
@@ -95,11 +95,6 @@ class Departure {
       throw new IllegalArgumentException(
         "Adding this delay duration exceeds the maximum value for the departure time LocalTime");
     }
-    if (duration.isNegative()) {
-      throw new IllegalArgumentException(
-        "Cannot add a negative delay duration, use subDelay() with a possitive duration"
-      );
-    }
     if (duration.isZero()) {
       throw new IllegalArgumentException(
         "Cannot add a zero duration delay, this is pointless."
@@ -107,28 +102,6 @@ class Departure {
     }
   }
 
-  /** Throws an error if invalid input is given to subDelay().
-   *
-   * @param duration A Duration representing a delay.
-   * @throws IllegalArgumentException For illegal durations.
-   */
-  private void verifySubDelay(Duration duration) {
-    if (this.originalDepartureTime.minus(duration).isBefore(LocalTime.of(0, 0))) {
-      throw new IllegalArgumentException(
-        "Substracting this delay duration makes the departure time LocalTime less than zero.");
-    }
-    if (duration.isNegative()) {
-      throw new IllegalArgumentException(
-        "Cannot subtract a negative delay duration, use addDelay() with a possitive duration"
-      );
-    }
-    if (duration.isZero()) {
-      throw new IllegalArgumentException(
-        "Cannot subtract a zero duration delay, this is pointless."
-      );
-    }
-  }
-
   /** Sets a delay from this departure's departureTime(LocalTime).
    *
    * @param duration A Duration to add to the LocalTime of the departure.
@@ -151,18 +124,6 @@ class Departure {
     this.delay = this.delay.plus(duration);
   }
 
-  /** Substracts a Duration from this departure's departuretime(LocalTime). 
-   *
-   * @param duration A Duration to subtract to the LocalTime of the departure.
-   * @throws ArithmeticException - if numeric overflow occurs.
-   * @throws DateTimeException - if the subtraction cannot be made.
-   * @throws IllegalArgumentException - if the Duration would result in an invalid departure time.
-   */
-  public void subDelay(Duration duration) {
-    verifySubDelay(duration);
-    this.delay = this.delay.minus(duration);
-  }
-
   /** Gets the delay for this departure.
    *
    * @return a Duration representing a delay.

src/main/java/edu/ntnu/stud/menubuilder/trainz/Station.java

+
+package edu.ntnu.stud.menubuilder.trainz;
+
+/**
+ * Station
+ */
+public class Station {
+  
+}
\ No newline at end of file