Display the order the boats finished in

- Added a function in the App class to display the order in which the boats finished the race

 #implement

src/main/java/seng302/Race.java

@@ -8,6 +8,7 @@ import java.util.List;
 
 public class Race {
 	private ArrayList<Boat> boats;
+	private int numberOfBoats = 0;
 
 	public Race(){
 		boats = new ArrayList<Boat>();
@@ -15,15 +16,16 @@ public class Race {
 
 	/*
 		Add a boat to the race
-		@param boat the boat to add
+		@param boat, the boat to add
 	*/
 	public void addBoat(Boat boat){
 		boats.add(boat);
+		numberOfBoats += 1;
 	}
 
 	/*
 		Returns a list of boats in the order that they
-		finished the race (0 is first)
+		finished the race (position 0 is first)
 
 		@returns a list of boats
 	*/
@@ -34,4 +36,13 @@ public class Race {
 
 		return boats.toArray(new Boat[boats.size()]);
 	}
+
+	/*
+		Returns the number of boats in the race
+
+		@returns the number of boats in the race
+	*/
+	public int getNumberOfBoats(){
+		return numberOfBoats;
+	}
 }