Clean-up tiny bit

Lab2/src/main/java/org/lumijiez/data/DataDeserializer.java

@@ -0,0 +1,28 @@
+package org.lumijiez.data;
+
+import Project.classes.menu.MainMenu;
+import org.lumijiez.managers.Supervisor;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.util.Arrays;
+
+public class DataDeserializer {
+    public static Supervisor deserialize() {
+        File serializedFile = new File("manager.ser");
+        Supervisor manager = new Supervisor();
+        if (serializedFile.exists()) {
+            try (ObjectInputStream ois = new ObjectInputStream(new FileInputStream(serializedFile))) {
+                manager = (Supervisor) ois.readObject();
+                System.out.println("Supervisor object deserialized successfully.");
+            } catch (ClassNotFoundException | IOException e) {
+                e.printStackTrace();
+            }
+        } else {
+            System.out.println("Serialized file 'manager.ser' does not exist.");
+        }
+        return manager;
+    }
+}

Lab2/src/main/java/org/lumijiez/data/DataSerializer.java

@@ -0,0 +1,18 @@
+package org.lumijiez.data;
+
+import org.lumijiez.managers.Supervisor;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectOutputStream;
+
+public class DataSerializer {
+    public static void serialize(Supervisor manager) {
+        try (ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream("manager.ser"))) {
+            oos.writeObject(manager);
+            System.out.println("Supervisor object serialized successfully.");
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}