diff --git a/ShipGenericDop.java b/ShipGenericDop.java
index 4f847fb..585f5ed 100644
--- a/ShipGenericDop.java
+++ b/ShipGenericDop.java
@@ -1,7 +1,8 @@
 import java.util.Random;
+import java.util.ArrayList;
 public class ShipGenericDop<T extends EntityShip, U extends IDecksDrawing> {
-    private Object[] Ships;
-    private Object[] Decks;
+    private ArrayList<T> Ships;
+    private ArrayList<U> Decks;
     private int countShips;
     private int max_countShips;
     private int countDecks;
@@ -12,8 +13,8 @@ public class ShipGenericDop<T extends EntityShip, U extends IDecksDrawing> {
     public ShipGenericDop(int _max_countShips, int _max_countDecks, int pictureWidth, int pictureHeight){
         max_countShips = _max_countShips;
         max_countDecks = _max_countDecks;
-        Ships = new Object[max_countShips];
-        Decks = new Object[max_countDecks];
+        Ships = new ArrayList<T>(max_countShips);
+        Decks = new ArrayList<U>(max_countDecks);
         countShips = 0;
         countDecks = 0;
         _pictureWidth = pictureWidth;
@@ -27,7 +28,7 @@ public class ShipGenericDop<T extends EntityShip, U extends IDecksDrawing> {
         if (countShips > max_countShips){
             return false;
         }
-        Ships[countShips++] = ship;
+        Ships.add(countShips++, ship);
         return true;
     }
     public boolean AddDeck(U deck){
@@ -37,7 +38,7 @@ public class ShipGenericDop<T extends EntityShip, U extends IDecksDrawing> {
         if (countDecks > max_countDecks){
             return false;
         }
-        Decks[countDecks++] = deck;
+        Decks.add(countDecks++, deck);
         return true;
     }
     public DrawingShip getObjectRandomShip(){
@@ -46,11 +47,11 @@ public class ShipGenericDop<T extends EntityShip, U extends IDecksDrawing> {
         }
         int i = rand.nextInt(countShips);
         int j = rand.nextInt(countDecks);
-        if(Ships[i] instanceof EntityContainerShip){
-            return new DrawingContainerShip((EntityContainerShip)Ships[i], (IDecksDrawing)Decks[j], _pictureWidth, _pictureHeight);
+        if(Ships.get(i) instanceof EntityContainerShip){
+            return new DrawingContainerShip((EntityContainerShip)Ships.get(i), (IDecksDrawing)Decks.get(j), _pictureWidth, _pictureHeight);
         }
         else{
-            return new DrawingShip((EntityShip)Ships[i],_pictureWidth, _pictureHeight);
+            return new DrawingShip((EntityShip)Ships.get(i),_pictureWidth, _pictureHeight);
         }
     }
 }