Final

DoubleDeckerBus/src/main/java/com/example/doubledeckerbus/ExtensionBus.java

@@ -51,7 +51,7 @@ public class ExtensionBus {
     public static String GetDataForSave(DrawingBus drawingBus)
     {
         var bus = drawingBus.Bus;
-        var str = String.format("%d:%f:%s:%d:%s", drawingBus._speed, drawingBus._weight, drawingBus._bodyColor.toString(),
+        var str = String.format("%d:%f:%s:%d:%s", bus.Speed, bus.Weight, bus.BodyColor.toString(),
                 drawingBus._countOfDoors, CreateDoors(drawingBus.Doors));;
         if (!(bus instanceof EntityDDB ddb))
         {

DoubleDeckerBus/src/main/java/com/example/doubledeckerbus/MapWithSetBusesGeneric.java

@@ -171,7 +171,10 @@ public class MapWithSetBusesGeneric<T extends IDrawingObject, U extends Abstract
     public void LoadData(String data)
     {
         _setBuses.Insert((T)(DrawingObjectBus.Create(data)));
+    }
 
+    public void Clear() {
+        _setBuses.Clear();
     }
 }
 

DoubleDeckerBus/src/main/java/com/example/doubledeckerbus/MapsCollection.java

@@ -7,9 +7,8 @@ import java.io.*;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Paths;
-import java.util.HashMap;
+import java.util.*;
-import java.util.List;
+
-import java.util.Objects;
 
 public class MapsCollection {
     HashMap<String, MapWithSetBusesGeneric<IDrawingObject, AbstractMap>> _mapStorages;
@@ -86,6 +85,13 @@ public class MapsCollection {
         return true;
     }
 
+    static String[] reverse(String myArray[])
+    {
+        Collections.reverse(Arrays.asList(myArray));
+        return (String[]) Arrays.stream(myArray).toArray();
+    }
+
+
     public boolean SaveStorage(String filename, String key) throws IOException
     {
         Files.deleteIfExists(Paths.get(filename));
@@ -95,11 +101,15 @@ public class MapsCollection {
         {
             writer.write("MapsCollectionStorage" + System.lineSeparator());
             MapWithSetBusesGeneric<IDrawingObject, AbstractMap> storage = _mapStorages.get(key);
+            if (storage == null) {
+                return false;
+            }
             String[] data = storage.GetData(separatorDict, separatorData).split("\\|");
 
             writer.write(key + ":" + data[0] + System.lineSeparator());
-            for (var bus : data[1].split(";")) {
+            var buses = data[1].split(";");
-                writer.write(bus);
+            for (int i = buses.length - 1; i >= 0; i--) {
+                writer.write(buses[i]);
                 writer.write(System.lineSeparator());
             }
 
@@ -123,7 +133,6 @@ public class MapsCollection {
                 return false;
             }
             if (!str.contains("MapsCollectionStorage")) {
-                _mapStorages.clear();
                 while ((str = reader.readLine()) != null) {
                     String[] elem = str.split(String.format("\\%c", separatorDict));
                     AbstractMap map = switch (elem[1]) {
@@ -131,23 +140,26 @@ public class MapsCollection {
                         case "WaterMap" -> new WaterMap();
                         default -> null;
                     };
-                    _mapStorages.put(elem[0], new MapWithSetBusesGeneric<>(_pictureWidth, _pictureHeight, map));
                     if (elem.length == 3) {
+
                         _mapStorages.get(elem[0]).LoadData(elem[2].split(String.format("%c", separatorData)));
                     }
                 }
             }
             else {
                 String[] data = reader.readLine().split(":");
-                if (_mapStorages.containsKey(data[0])) {
+
-                    _mapStorages.remove(data[0]);
-                }
                 AbstractMap map = switch (data[1]) {
                     case "SimpleMap" -> new SimpleMap();
                     case "WaterMap" -> new WaterMap();
                     default -> null;
                 };
-                _mapStorages.put(data[0], new MapWithSetBusesGeneric<>(_pictureWidth, _pictureHeight, map));
+                if (_mapStorages.containsKey(data[0])) {
+                    _mapStorages.get(data[0]).Clear();
+                }
+                else {
+                    _mapStorages.put(data[0], new MapWithSetBusesGeneric<>(_pictureWidth, _pictureHeight, map));
+                }
                 String k = reader.readLine();
                 while (k != null) {
                     _mapStorages.get(data[0]).LoadData(k);

DoubleDeckerBus/src/main/java/com/example/doubledeckerbus/SetBusesGeneric.java

@@ -59,6 +59,10 @@ class SetBusesGeneric<T> {
     public int Count() {
         return _places.size();
     }
+
+    public void Clear() {
+        _places.clear();
+    }
 }