ProjectElectricLocomotive/LocoStorageOverflowException.java

@@ -0,0 +1,17 @@
+package ProjectElectricLocomotive;
+
+public class LocoStorageOverflowException extends RuntimeException{
+    public LocoStorageOverflowException(Throwable ex){
+        super(ex);
+    }
+    public LocoStorageOverflowException(int count){
+        super("В наборе превышено допустимое количество локомотивов:" + count);
+    }
+    public LocoStorageOverflowException(String message){
+        super(message);
+    }
+    public LocoStorageOverflowException(String message, Throwable ex){
+        super(message, ex);
+    }
+
+}

ProjectElectricLocomotive/SetGeneric.java

@@ -25,8 +25,10 @@ public class SetGeneric<T extends DrawingLocomotive>{
 
     public int Insert(T loco, int position)
     {
-        if(position < 0 || position > maxCount)
+        if(position < 0)
             return -1;
+        if(position >= maxCount)
+            throw new LocoStorageOverflowException(maxCount);
         else
         {
             _places.add(position, loco);
@@ -41,6 +43,8 @@ public class SetGeneric<T extends DrawingLocomotive>{
         else
         {
             T plane = _places.get(position);
+            if(plane == null)
+                throw new LocoNotFoundException(position);
             _places.set(position, null);
             return plane;
         }