src/drawing_objects/ExtensionDrawingShip.java

@@ -20,8 +20,8 @@ public class ExtensionDrawingShip {
             return "GRAY";
         if(col.equals(Color.BLACK))
             return "BLACK";
-        if(col.equals(Color.PINK))
-            return "PINK";
+        if(col.equals(Color.MAGENTA))
+            return "MAGENTA";
         return null;
     }
 

src/frames/FrameShipsCollection.java

@@ -14,7 +14,7 @@ import drawing_objects.*;
 import generics.*;
 import movement_strategy.*;
 
-class TxtSaveFilter extends FileFilter {
+class TxtFilter extends FileFilter {
     @Override
     public boolean accept(File f) {
         if (f.isDirectory()) {
@@ -228,7 +228,7 @@ public class FrameShipsCollection extends JFrame {
     }
     private void saveFile(){
         JFileChooser fc = new JFileChooser("C:\\Users\\user\\Documents");
-        fc.addChoosableFileFilter(new TxtSaveFilter());
+        fc.addChoosableFileFilter(new TxtFilter());
         int retrieval = fc.showSaveDialog(null);
         if (retrieval == JFileChooser.APPROVE_OPTION) {
             File file = new File(fc.getSelectedFile() + "." + "txt");
@@ -241,7 +241,7 @@ public class FrameShipsCollection extends JFrame {
     }
     private void saveSet(){
         JFileChooser fc = new JFileChooser("C:\\Users\\user\\Documents");
-        fc.addChoosableFileFilter(new TxtSaveFilter());
+        fc.addChoosableFileFilter(new TxtFilter());
         int retrieval = fc.showSaveDialog(null);
         if (retrieval == JFileChooser.APPROVE_OPTION) {
             File file = new File(fc.getSelectedFile() + "." + "txt");

src/generics/ShipsGenericStorage.java

@@ -109,7 +109,7 @@ public class ShipsGenericStorage {
         var strs = bufferTextFromFile.toString().split("\n");
         if(strs.length == 0)
             return false;
-        if (!strs[0].startsWith("ShipCollection"))
+        if (!strs[0].startsWith("ShipsCollection"))
             return false;
         String collectionName = strs[1];
         ShipsGenericCollection<DrawingShip, DrawingObjectShip> collection = getCollection(collectionName);