diff --git a/Lab2/src/main/java/org/lumijiez/data/DataDeserializer.java b/Lab2/src/main/java/org/lumijiez/data/DataDeserializer.java
index 4334745..7437555 100644
--- a/Lab2/src/main/java/org/lumijiez/data/DataDeserializer.java
+++ b/Lab2/src/main/java/org/lumijiez/data/DataDeserializer.java
@@ -16,7 +16,7 @@ public class DataDeserializer {
                 manager = (Supervisor) ois.readObject();
                 System.out.println("Supervisor object deserialized successfully.");
             } catch (ClassNotFoundException | IOException e) {
-                System.err.println("Error!");
+                e.printStackTrace();
             }
         } else {
             System.out.println("Serialized file 'manager.ser' does not exist.");
diff --git a/Lab2/src/main/java/org/lumijiez/data/DataSerializer.java b/Lab2/src/main/java/org/lumijiez/data/DataSerializer.java
index 39a2a1f..e650b82 100644
--- a/Lab2/src/main/java/org/lumijiez/data/DataSerializer.java
+++ b/Lab2/src/main/java/org/lumijiez/data/DataSerializer.java
@@ -12,7 +12,7 @@ public class DataSerializer {
             oos.writeObject(manager);
             System.out.println("Supervisor object serialized successfully.");
         } catch (IOException e) {
-            System.err.println("Error!");
+            e.printStackTrace();
         }
     }
 
diff --git a/Lab2/src/main/java/org/lumijiez/gui/StudentManagementGUI.java b/Lab2/src/main/java/org/lumijiez/gui/StudentManagementGUI.java
index 27c11c7..f673301 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/StudentManagementGUI.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/StudentManagementGUI.java
@@ -11,8 +11,8 @@ import org.lumijiez.gui.forms.group.DeleteGroupForm;
 import org.lumijiez.gui.forms.group.EditGroupForm;
 import org.lumijiez.gui.forms.group.ShowGroupForm;
 import org.lumijiez.gui.forms.student.*;
-import org.lumijiez.gui.util.BatchGraduater;
-import org.lumijiez.gui.util.BatchLoader;
+import org.lumijiez.gui.loader.BatchGraduater;
+import org.lumijiez.gui.loader.BatchLoader;
 import org.lumijiez.gui.util.DisplayerManager;
 import org.lumijiez.managers.Supervisor;
 
@@ -36,6 +36,10 @@ public class StudentManagementGUI extends JFrame {
         sv = DataDeserializer.deserialize();
         this.setSize(650, 720);
         this.setTitle("Student Management System");
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
         initComponents();
     }
 
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/AddFacultyForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/AddFacultyForm.java
index 5654fe6..19b69d5 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/AddFacultyForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/AddFacultyForm.java
@@ -109,6 +109,10 @@ public class AddFacultyForm extends JFrame {
                                 .addComponent(submitButton))
                         .addContainerGap(24, Short.MAX_VALUE)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/EditFacultyForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/EditFacultyForm.java
index f7f1a24..61cf591 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/EditFacultyForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/EditFacultyForm.java
@@ -44,10 +44,7 @@ public class EditFacultyForm extends JFrame {
         submitButton.setText("Submit");
         cancelButton.setText("Cancel");
         nameLabel.setText("New name:");
-        nameField.setText("Name...");
         facultyLabel.setText("Faculty:");
-        abbreviationLabel.setText("New abbreviation:");
-        abbreviationField.setText("Abbreviation...");
         specialtyLabel.setText("New specialty:");
 
         ComponentDecorator.submitButton(submitButton);
@@ -129,6 +126,10 @@ public class EditFacultyForm extends JFrame {
                                         .addComponent(submitButton))
                                 .addGap(14, 14, 14)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void facultyComboActionPerformed(ActionEvent actionEvent) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/RemoveFacultyForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/RemoveFacultyForm.java
index 63303d0..ffd2c1d 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/RemoveFacultyForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/RemoveFacultyForm.java
@@ -79,6 +79,10 @@ public class RemoveFacultyForm extends JFrame {
                                         .addComponent(submitButton))
                                 .addContainerGap(21, Short.MAX_VALUE)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/ShowFacultyForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/ShowFacultyForm.java
index 35ef43a..16f0abc 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/ShowFacultyForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/faculty/ShowFacultyForm.java
@@ -42,7 +42,6 @@ public class ShowFacultyForm extends JFrame {
 
         submitButton.addActionListener(this::submitButtonActionPerformed);
         cancelButton.addActionListener(this::cancelButtonActionPerformed);
-        facultyCombo.addActionListener(this::facultyComboActionPerformed);
 
         ComboBoxRenderers.setFacultyRenderer(facultyCombo);
 
@@ -82,9 +81,10 @@ public class ShowFacultyForm extends JFrame {
                                         .addComponent(submitButton))
                                 .addContainerGap(24, Short.MAX_VALUE)));
         pack();
-    }
-
-    private void facultyComboActionPerformed(ActionEvent actionEvent) {
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/group/AddGroupForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/group/AddGroupForm.java
index d2c479e..b5d20f7 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/group/AddGroupForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/group/AddGroupForm.java
@@ -37,7 +37,6 @@ public class AddGroupForm extends JFrame {
         titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18));
 
         titleLabel.setText("Add a new group");
-        nameField.setText("Name...");
         submitButton.setText("Submit");
         cancelButton.setText("Cancel");
         nameLabel.setText("Name:");
@@ -94,6 +93,10 @@ public class AddGroupForm extends JFrame {
                                         .addComponent(submitButton))
                                 .addGap(15, 15, 15)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/group/DeleteGroupForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/group/DeleteGroupForm.java
index 977f7be..989f620 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/group/DeleteGroupForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/group/DeleteGroupForm.java
@@ -80,6 +80,10 @@ public class DeleteGroupForm extends JFrame {
                                         .addComponent(submitButton))
                                 .addContainerGap(18, Short.MAX_VALUE)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/group/EditGroupForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/group/EditGroupForm.java
index 4ca4eb6..8c452b1 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/group/EditGroupForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/group/EditGroupForm.java
@@ -40,7 +40,6 @@ public class EditGroupForm extends JFrame {
         titleLabel.setFont(new java.awt.Font("sansserif", Font.PLAIN, 18));
 
         titleLabel.setText("Edit a group");
-        nameField.setText("Name...");
         submitButton.setText("Submit");
         cancelButton.setText("Cancel");
         nameLabel.setText("New name:");
@@ -109,6 +108,10 @@ public class EditGroupForm extends JFrame {
                                         .addComponent(submitButton))
                                 .addContainerGap(36, Short.MAX_VALUE)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/group/ShowGroupForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/group/ShowGroupForm.java
index ef5b6f9..5aa8a1d 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/group/ShowGroupForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/group/ShowGroupForm.java
@@ -82,6 +82,10 @@ public class ShowGroupForm extends JFrame {
                                         .addComponent(submitButton))
                                 .addContainerGap(25, Short.MAX_VALUE)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/student/AddStudentForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/student/AddStudentForm.java
index b8f3f93..601cd77 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/student/AddStudentForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/student/AddStudentForm.java
@@ -238,6 +238,10 @@ public class AddStudentForm extends JFrame {
                                         .addComponent(submitButton))
                                 .addGap(21, 21, 21)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void cancelButtonActionPerformed(ActionEvent actionEvent) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/student/DeleteStudentForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/student/DeleteStudentForm.java
index d3074c3..f99117d 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/student/DeleteStudentForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/student/DeleteStudentForm.java
@@ -81,6 +81,10 @@ public class DeleteStudentForm extends JFrame {
                                         .addComponent(cancelButton))
                                 .addContainerGap(26, Short.MAX_VALUE)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/student/EditStudentForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/student/EditStudentForm.java
index 3d5fae0..bbe3027 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/student/EditStudentForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/student/EditStudentForm.java
@@ -182,8 +182,7 @@ public class EditStudentForm extends JFrame {
                                                 .addComponent(cancelButton)
                                                 .addGap(34, 34, 34)
                                                 .addComponent(submitButton)))
-                                .addContainerGap(27, Short.MAX_VALUE))
-        );
+                                .addContainerGap(27, Short.MAX_VALUE)));
         layout.setVerticalGroup(
                 layout.createParallelGroup(GroupLayout.Alignment.LEADING)
                         .addGroup(layout.createSequentialGroup()
@@ -246,10 +245,12 @@ public class EditStudentForm extends JFrame {
                                 .addGroup(layout.createParallelGroup(GroupLayout.Alignment.BASELINE)
                                         .addComponent(submitButton)
                                         .addComponent(cancelButton))
-                                .addContainerGap(25, Short.MAX_VALUE))
-        );
-
+                                .addContainerGap(25, Short.MAX_VALUE)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void cancelButtonActionPerformed(ActionEvent actionEvent) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/student/GradeStudentForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/student/GradeStudentForm.java
index dd74cc8..b0750e7 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/student/GradeStudentForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/student/GradeStudentForm.java
@@ -114,6 +114,10 @@ public class GradeStudentForm extends JFrame {
                                         .addComponent(submitButton))
                                 .addContainerGap(30, Short.MAX_VALUE)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/student/GraduateStudentForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/student/GraduateStudentForm.java
index 80b6403..d7db8b8 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/student/GraduateStudentForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/student/GraduateStudentForm.java
@@ -82,6 +82,10 @@ public class GraduateStudentForm extends JFrame {
                                         .addComponent(cancelButton))
                                 .addContainerGap(26, Short.MAX_VALUE)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/student/ShowStudentForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/student/ShowStudentForm.java
index 3ccdc6c..451a20e 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/student/ShowStudentForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/student/ShowStudentForm.java
@@ -82,6 +82,10 @@ public class ShowStudentForm extends JFrame {
                                         .addComponent(submitButton))
                                 .addContainerGap(22, Short.MAX_VALUE)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/forms/student/ShowStudentGradesForm.java b/Lab2/src/main/java/org/lumijiez/gui/forms/student/ShowStudentGradesForm.java
index 46c14a3..e4dd36b 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/forms/student/ShowStudentGradesForm.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/forms/student/ShowStudentGradesForm.java
@@ -84,6 +84,10 @@ public class ShowStudentGradesForm extends JFrame {
                                         .addComponent(submitButton))
                                 .addContainerGap(22, Short.MAX_VALUE)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void submitButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/util/BatchGraduater.java b/Lab2/src/main/java/org/lumijiez/gui/loader/BatchGraduater.java
similarity index 96%
rename from Lab2/src/main/java/org/lumijiez/gui/util/BatchGraduater.java
rename to Lab2/src/main/java/org/lumijiez/gui/loader/BatchGraduater.java
index ec33994..d517655 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/util/BatchGraduater.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/loader/BatchGraduater.java
@@ -1,9 +1,11 @@
-package org.lumijiez.gui.util;
+package org.lumijiez.gui.loader;
 
 import org.lumijiez.base.Faculty;
 import org.lumijiez.base.Group;
 import org.lumijiez.base.Student;
 import org.lumijiez.enums.StudyField;
+import org.lumijiez.gui.util.ComponentDecorator;
+import org.lumijiez.gui.util.DisplayerManager;
 import org.lumijiez.managers.Supervisor;
 
 import javax.swing.*;
@@ -100,6 +102,10 @@ public class BatchGraduater extends JFrame {
                                         .addComponent(submitButton))
                                 .addGap(23, 23, 23)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void cancelButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/util/BatchLoader.java b/Lab2/src/main/java/org/lumijiez/gui/loader/BatchLoader.java
similarity index 93%
rename from Lab2/src/main/java/org/lumijiez/gui/util/BatchLoader.java
rename to Lab2/src/main/java/org/lumijiez/gui/loader/BatchLoader.java
index 887c8a6..a22e1df 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/util/BatchLoader.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/loader/BatchLoader.java
@@ -1,8 +1,10 @@
-package org.lumijiez.gui.util;
+package org.lumijiez.gui.loader;
 
 import org.lumijiez.base.Faculty;
 import org.lumijiez.base.Group;
 import org.lumijiez.enums.StudyField;
+import org.lumijiez.gui.util.ComponentDecorator;
+import org.lumijiez.gui.util.DisplayerManager;
 import org.lumijiez.managers.Supervisor;
 
 import javax.swing.*;
@@ -22,6 +24,10 @@ public class BatchLoader extends JFrame {
     public BatchLoader(Supervisor sv) {
         this.sv = sv;
         this.setTitle("Load a Batch of Students");
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
         initComponents();
     }
 
@@ -102,6 +108,10 @@ public class BatchLoader extends JFrame {
                                         .addComponent(submitButton))
                                 .addGap(23, 23, 23)));
         pack();
+        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+        int x = (screenSize.width - this.getWidth()) / 2;
+        int y = (screenSize.height - this.getHeight()) / 2;
+        this.setLocation(x, y);
     }
 
     private void cancelButtonActionPerformed(ActionEvent evt) {
diff --git a/Lab2/src/main/java/org/lumijiez/gui/util/ComponentDecorator.java b/Lab2/src/main/java/org/lumijiez/gui/util/ComponentDecorator.java
index 5144ad3..daf459e 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/util/ComponentDecorator.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/util/ComponentDecorator.java
@@ -6,7 +6,6 @@ public class ComponentDecorator {
     public static void submitButton(JButton button) {
         button.setBackground(new java.awt.Color(204, 255, 204));
     }
-
     public static void cancelButton(JButton button) {
         button.setBackground(new java.awt.Color(255, 204, 204));
     }
diff --git a/Lab2/src/main/java/org/lumijiez/gui/util/DisplayerManager.java b/Lab2/src/main/java/org/lumijiez/gui/util/DisplayerManager.java
index 63e7713..d8bc85f 100644
--- a/Lab2/src/main/java/org/lumijiez/gui/util/DisplayerManager.java
+++ b/Lab2/src/main/java/org/lumijiez/gui/util/DisplayerManager.java
@@ -11,7 +11,7 @@ public class DisplayerManager {
         text.append("==================== Students ======================\n");
         for (Student student : StudentManagementGUI.getSv().getFm().getGm().getSm().getStudents()) {
             text.append("Name: ").append(student.getFullname()).append("\nGroup: ").append(student.getGroup().getName())
-                    .append("\nEmail:: ").append(student.getEmail()).append("\nGraduated: ").append((student.isGraduated() ? "Yes" : "No"));
+                    .append("\nEmail: ").append(student.getEmail()).append("\nGraduated: ").append((student.isGraduated() ? "Yes" : "No"));
             text.append("\n===============================================\n");
         }
         StudentManagementGUI.getMainLabel().setText(text.toString());
diff --git a/Lab2/src/main/java/org/lumijiez/managers/LogManager.java b/Lab2/src/main/java/org/lumijiez/managers/LogManager.java
index a4f469c..eac920c 100644
--- a/Lab2/src/main/java/org/lumijiez/managers/LogManager.java
+++ b/Lab2/src/main/java/org/lumijiez/managers/LogManager.java
@@ -1,13 +1,13 @@
 package org.lumijiez.managers;
 
-
 import java.io.BufferedWriter;
 import java.io.FileWriter;
 import java.io.IOException;
+import java.io.Serializable;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 
-public class LogManager {
+public class LogManager implements Serializable {
 
     private transient BufferedWriter writer;
 
@@ -20,7 +20,7 @@ public class LogManager {
             FileWriter fwriter = new FileWriter(fileHandle);
             writerTemp = new BufferedWriter(fwriter);
         } catch (IOException e) {
-            System.err.println("Error!");
+            e.printStackTrace();
             writerTemp = null;
         }
         this.writer = writerTemp;
@@ -29,14 +29,13 @@ public class LogManager {
     public void logOperation(String msg) {
         if (writer == null) init();
         LocalDateTime currentDateTime = LocalDateTime.now();
-        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss |");
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss | ");
         try {
             writer.write(currentDateTime.format(formatter) + msg);
             writer.flush();
-            System.out.println(msg);
             writer.newLine();
         } catch (IOException e) {
-            System.err.println("Error!");
+            e.printStackTrace();
         }
     }
 
@@ -46,6 +45,5 @@ public class LogManager {
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
-
     }
 }