update

src/java/lodge/TestReservations.java

@@ -128,6 +128,8 @@ public final class TestReservations {
                 rsrv = account.findReservation(house.getReservation_number());
                 rsrv.calculatePrice();
 
+                mgr.showReservationList();
+
                 System.out.println("Program Completed.");
         }
 

src/java/lodge/reservationsystem/AccomodationManager.java

@@ -1,5 +1,6 @@
 package lodge.reservationsystem;
 
+import java.util.List;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 
@@ -83,4 +84,14 @@ public final class AccomodationManager {
         return rsrv;
     }
 
+    public List<? extends Reservation> getReservationList() {
+        return account_list.getListOfReservations();
+    }
+
+    public void showReservationList() {
+        for (Reservation rsrv : this.getReservationList()) {
+            System.out.println(String.format("Account %s:, %s", rsrv.getAccountNumber(), rsrv.getReservation_number()));
+        }
+    }
+
 }

src/java/lodge/reservationsystem/Account.java

@@ -6,8 +6,7 @@ import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-
-import java.util.Collections;
+import java.util.ListIterator;
 
 public class Account {
         private String account_number = "-99";
@@ -146,9 +145,8 @@ public class Account {
                 this.setMailing_address(acct.mailing_address);
         }
 
-        public Reservation[] getAllReservations() {
-                // TODO Auto-generated method stub
-                throw new UnsupportedOperationException("Unimplemented method 'getAllReservations'");
+        public ListIterator<Reservation> getAllReservations() {
+                return this.reservation_list.listIterator();
         }
 
 }

src/java/lodge/reservationsystem/AccountList.java

@@ -1,10 +1,10 @@
 package lodge.reservationsystem;
 
 import java.io.IOException;
-import java.lang.classfile.Superclass;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.ListIterator;
 
 public class AccountList extends ArrayList<Account> {
 
@@ -68,8 +68,9 @@ public class AccountList extends ArrayList<Account> {
     public List<? extends Reservation> getListOfReservations() {
         ArrayList<Reservation> readList = new ArrayList<Reservation>();
         for (Account acct: this){
-            for (Reservation rsrv: acct.getAllReservations()){
-                readList.add(rsrv);
+            ListIterator<Reservation> itr = acct.getAllReservations();
+            while( itr.hasNext() ){
+                readList.add(itr.next());
             }
         }
         return Collections.unmodifiableList(readList);