а написать свои главные строки не успеваю! и вряд ли успею...

src/Exceptions/AirplaneNotFoundException.java

@@ -0,0 +1,16 @@
+package src.Exceptions;
+import java.io.Serializable;
+public class AirplaneNotFoundException extends RuntimeException implements Serializable {
+    public AirplaneNotFoundException(int i) {
+        super("Не найден объект по позиции " + i);
+    }
+    public AirplaneNotFoundException(Throwable ex) {
+        super(ex);
+    }
+    public AirplaneNotFoundException(String message) {
+        super(message);
+    }
+    public AirplaneNotFoundException(String message, Throwable ex) { //Throwable люди пишут, посмотри внимательно
+        super(message, ex);
+    }
+}

src/Exceptions/AirplaneStorageOverflowException.java

@@ -0,0 +1,17 @@
+package src.Exceptions;
+
+import java.io.Serializable;
+public class AirplaneStorageOverflowException extends RuntimeException implements Serializable{
+    public AirplaneStorageOverflowException(Throwable ex){
+        super(ex);
+    }
+    public AirplaneStorageOverflowException(int count){
+        super("В наборе превышено допустимое количество локомотивов: " + count);
+    }
+    public AirplaneStorageOverflowException(String message){
+        super(message);
+    }
+    public AirplaneStorageOverflowException(String message, Throwable ex){
+        super(message, ex);
+    }
+}

src/FormAirplaneCollection.java

@@ -17,9 +17,9 @@ import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileWriter;
 import java.io.IOException;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Scanner;
+
+import org.apache.logging.log4j.*;
+
 
 class TxtSaveFilter extends FileFilter {
     @Override

src/Generics/AirplaneGenericCollection.java

@@ -2,8 +2,9 @@ package src.Generics;
 import src.DrawningObjects.DrawningAirplane;
 import src.MovementStrategy.IMoveableObject;
 import src.DrawningObjects.ExtentionDrawningAirplane;
-import src.MovementStrategy.DrawningObjectAirplane;
 
+
+import com.sun.nio.sctp.InvalidStreamException;
 import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.File;
@@ -38,7 +39,7 @@ public class AirplaneGenericCollection<T extends DrawningAirplane, U extends IMo
         }
         data.append(records);
         if(data.length() == 0)
-            return false;
+            throw new InvalidStreamException("Нет данных для сохранения");
         FileWriter writer = new FileWriter(f);
         writer.write(data.toString());
         writer.flush();

src/Generics/AirplaneGenericStorage.java

@@ -1,9 +1,11 @@
 package src.Generics;
 
+import com.sun.nio.sctp.InvalidStreamException;
 import javax.xml.crypto.dsig.keyinfo.KeyValue;
 import java.io.*;
 import java.util.*;
 import java.util.stream.Collectors;
+import java.io.IOException;
 
 import src.MovementStrategy.DrawningObjectAirplane;
 import src.DrawningObjects.DrawningAirplane;
@@ -30,7 +32,7 @@ public class AirplaneGenericStorage {
             data.append(String.format("%s%c%s\n", record.getKey(), _separatorForKeyValue, records.toString()));
         }
         if(data.length() == 0)
-            return false;
+            throw new InvalidStreamException("Нет данных для сохранения");
         FileWriter writer = new FileWriter(f);
         writer.write(data.toString());
         writer.flush();
@@ -39,7 +41,7 @@ public class AirplaneGenericStorage {
     }
     public boolean LoadData(File f) throws FileNotFoundException {
         if(!f.exists())
-            return false;
+            throw new FileNotFoundException("Файл не найден");
         StringBuilder bufferTextFromFile =new StringBuilder();
         Scanner s = new Scanner(f);
         while(s.hasNext())
@@ -47,9 +49,9 @@ public class AirplaneGenericStorage {
         s.close();
         var strs = bufferTextFromFile.toString().split("\n");
         if(strs == null || strs.length == 0)
-            return false;
+            throw new NullPointerException("Нет данных для загрузки");
         if (!strs[0].startsWith("AirplaneStorage"))
-            return false;
+            throw new IllegalArgumentException("Неверный формат данных");
         _airplaneStorages.clear();
         for(String data : strs){
             String st = new String("\\" + Character.toString( _separatorForKeyValue));
@@ -78,7 +80,7 @@ public class AirplaneGenericStorage {
 
     public boolean LoadCollection(File f) throws FileNotFoundException {
         if(!f.exists())
-            return false;
+            throw new FileNotFoundException("Файл не найден");
         StringBuilder bufferTextFromFile =new StringBuilder();
         Scanner s = new Scanner(f);
         while(s.hasNext())
@@ -86,9 +88,9 @@ public class AirplaneGenericStorage {
         s.close();
         var strs = bufferTextFromFile.toString().split("\n");
         if(strs == null || strs.length == 0)
-            return false;
+            throw new NullPointerException("Нет данных для загрузки");
         if (!strs[0].startsWith("AirplaneCollection"))
-            return false;
+            throw new IllegalArgumentException("Неверный формат данных");
         String collectionName = strs[1];
         AirplaneGenericCollection<DrawningAirplane, DrawningObjectAirplane> collection = GetCollection(collectionName);
         if(collection == null)

src/Generics/SetGeneric.java

@@ -1,4 +1,7 @@
 package src.Generics;
+import src.Exceptions.AirplaneNotFoundException;
+import src.Exceptions.AirplaneStorageOverflowException;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -18,6 +21,8 @@ public class SetGeneric <T extends Object>{
     }
 
     public boolean Insert(T airplane, int position){
+        if(_places.size() == _maxCount)
+            throw new AirplaneStorageOverflowException(_maxCount);
         if (!(position >= 0 && position <= _places.size() && _places.size() < _maxCount))
             return false;
         _places.add(position, airplane);
@@ -27,7 +32,7 @@ public class SetGeneric <T extends Object>{
 
     public boolean Remove(int position){
         if(!(position >= 0 && position < _places.size()))
-            return false;
+            throw new AirplaneNotFoundException(position);
         _places.remove(position);
         return true;
     }