diff --git a/MapsCollection.java b/MapsCollection.java
index 016f466..f59adfd 100644
--- a/MapsCollection.java
+++ b/MapsCollection.java
@@ -1,4 +1,5 @@
 import java.io.*;
+import java.nio.file.NoSuchFileException;
 import java.util.HashMap;
 import java.util.Set;
 
@@ -44,7 +45,7 @@ public class MapsCollection {
     }
 
     @SuppressWarnings("ResultOfMethodCallIgnored")
-    public boolean saveData(String filename) throws IOException {
+    public void saveData(String filename) throws IOException {
         File file = new File(filename);
 
         if (file.exists()) {
@@ -60,22 +61,20 @@ public class MapsCollection {
                 writer.println(String.format("%s%c%s", storage.getKey(), separatorDict, storage.getValue().getData(separatorDict, separatorData)));
             }
         }
-
-        return true;
     }
 
-    public boolean loadData(String filename) throws IOException {
+    public void loadData(String filename) throws IOException {
         File file = new File(filename);
 
         if (!file.exists()) {
-            return false;
+            throw new FileNotFoundException("Файл не найден");
         }
 
         try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
             String currentLine = reader.readLine();
 
             if (currentLine == null || !currentLine.contains("MapsCollection")) {
-                return false;
+                throw new FileFormatException("Неверный формат файла");
             }
 
             _mapsStorage.clear();
@@ -92,12 +91,10 @@ public class MapsCollection {
                 _mapsStorage.get(elements[0]).loadData(elements[2].split(separatorData + "\n?"));
             }
         }
-
-        return true;
     }
 
     @SuppressWarnings("ResultOfMethodCallIgnored")
-    public boolean saveMap(String mapName, String filename) throws IOException {
+    public void saveMap(String mapName, String filename) throws Exception {
         File file = new File(filename);
 
         if (file.exists()) {
@@ -109,7 +106,7 @@ public class MapsCollection {
         MapWithSetArtilleriesGeneric<IDrawingObject, AbstractMap> map = _mapsStorage.getOrDefault(mapName, null);
 
         if (map == null) {
-            return false;
+            throw new IndexOutOfBoundsException();
         }
 
         try (PrintWriter writer = new PrintWriter(file)) {
@@ -121,22 +118,20 @@ public class MapsCollection {
                 writer.println(artillery.getInfo());
             }
         }
-
-        return true;
     }
 
-    public boolean loadMap(String filename) throws IOException {
+    public void loadMap(String filename) throws IOException {
         File file = new File(filename);
 
         if (!file.exists()) {
-            return false;
+            throw new FileNotFoundException("Файл не найден");
         }
 
         try (BufferedReader reader = new BufferedReader(new FileReader(file))) {
             String currentLine = reader.readLine();
 
             if (currentLine == null || !currentLine.contains("Map")) {
-                return false;
+                throw new FileFormatException("Неверный формат файла");
             }
 
             String mapName = reader.readLine();
@@ -145,7 +140,7 @@ public class MapsCollection {
             if (_mapsStorage.containsKey(mapName)) {
                 map = _mapsStorage.get(mapName);
                 if (!map.getMap().getClass().getSimpleName().equals(reader.readLine())) {
-                    return false;
+                    throw new FileFormatException("Неверный формат файла");
                 }
                 map._setArtilleries.clear();
             } else {
@@ -162,7 +157,5 @@ public class MapsCollection {
 
             _mapsStorage.put(mapName, map);
         }
-
-        return true;
     }
 }