cleanup

src/java/lodge/reservationsystem/CabinReservation.java

@@ -30,21 +30,20 @@ public final class CabinReservation extends Reservation {
             physical_address.getZip()));
   }
 
+  @Override
   public String ReservationType() {
     return "CabinReservation";
   }
 
   @Override
   public boolean checkValid() throws IllegalArgumentException {
-    boolean result = false;
     if (getPhysical_address() == null) {
       throw new IllegalArgumentException(String.format("not valid, physical_address %s", this.getReservation_number()));
     }
     if (getMailing_address() == null) {
       throw new IllegalArgumentException(String.format("not valid, mailing_address: %s", this.getReservation_number()));
     }
-    result = true;
-    return result;
+    return true;
   }
 
   @Override

src/java/lodge/reservationsystem/HotelReservation.java

@@ -50,7 +50,6 @@ public final class HotelReservation extends Reservation{
 
   @Override
   public boolean checkValid() throws IllegalArgumentException {
-    boolean result = false;
     if (getNumberOfBathRooms() != 1) {
       throw new IllegalArgumentException("not valid, Baths");
     }
@@ -66,8 +65,7 @@ public final class HotelReservation extends Reservation{
     if (getMailing_address() == null) {
       throw new IllegalArgumentException(String.format("not valid, mailing_address: %s", this.getReservation_number()));
     }
-    result = true;
-    return result;
+    return true;
   }
 
   @Override

src/java/lodge/reservationsystem/HouseReservation.java

@@ -47,15 +47,13 @@ public final class HouseReservation extends Reservation {
 
   @Override
   public boolean checkValid() throws IllegalArgumentException {
-    boolean result = false;
     if (getPhysical_address() == null) {
       throw new IllegalArgumentException(String.format("not valid, physical_address %s", this.getReservation_number()));
     }
     if (getMailing_address() == null) {
       throw new IllegalArgumentException(String.format("not valid, mailing_address: %s", this.getReservation_number()));
     }
-    result = true;
-    return result;
+    return true;
   }
 
   // House price plus additional flat fee for additional space per day