Update src/main/java/models/Teacher.java

src/main/java/Main.java

@@ -70,12 +70,7 @@ public class Main {
         boolean success;
         switch (choice) {
             case 1:
-                success = school.registerStudent(username, password);
-                if (success) {
-                    System.out.println(" Student registered successfully!");
-                } else {
-                    System.out.println(" Username already exists!");
-                }
+                //TODO
                 break;
             case 2:
                 success = school.registerTeacher(username, password);
@@ -108,12 +103,7 @@ public class Main {
 
         switch (choice) {
             case 1:
-                Student student = school.loginStudent(username, password);
-                if (student != null) {
-                    studentMenu(student);
-                } else {
-                    System.out.println(" Invalid username or password!");
-                }
+                //TODO
                 break;
             case 2:
                 Teacher teacher = school.loginTeacher(username, password);
@@ -151,7 +141,7 @@ public class Main {
                     enrollInCourse(student);
                     break;
                 case 3:
-                    System.out.print(student.getMyCoursesDisplay());
+                    //System.out.print(student.getMyCoursesDisplay());
                     break;
                 case 4:
                     System.out.println(" Goodbye, " + student.getUsername() + "!");
@@ -163,21 +153,7 @@ public class Main {
     }
 
     private static void enrollInCourse(Student student) {
-        System.out.print(school.getAllCoursesDisplay());
-        System.out.print("\nEnter Course ID to enroll: ");
-        int courseId = getIntInput();
-
-        Course course = school.findCourseById(courseId);
-        if (course == null) {
-            System.out.println(" Course not found! Please enter a valid ID.");
-            return;
-        }
-
-        if (student.enrollInCourse(course)) {
-            System.out.println(" Successfully enrolled in " + course.getName());
-        } else {
-            System.out.println(" You are already enrolled in this course!");
-        }
+       //TODO
     }
 
     // ==================== TEACHER MENU ====================

src/main/java/models/Student.java

@@ -11,28 +11,5 @@ public class Student extends User {
         this.enrolledCourses = new ArrayList<>();
     }
 
-    public boolean enrollInCourse(Course course) {
-        if (enrolledCourses.contains(course)) {
-            return false;
-        }
-        enrolledCourses.add(course);
-        course.addStudent(this);
-        return true;
-    }
-
-    public List<Course> getEnrolledCourses() {
-        return enrolledCourses;
-    }
-
-    public String getMyCoursesDisplay() {
-        if (enrolledCourses.isEmpty()) {
-            return " You are not enrolled in any course yet.";
-        } else {
-            StringBuilder sb = new StringBuilder("\n My Courses:\n");
-            for (int i = 0; i < enrolledCourses.size(); i++) {
-                sb.append("  ").append(i+1).append(". ").append(enrolledCourses.get(i)).append("\n");
-            }
-            return sb.toString();
-        }
-    }
+  //TODO
 }

src/main/java/services/SchoolSystem.java

@@ -16,28 +16,7 @@ public class SchoolSystem {
     }
 
     // ========== Student Management ==========
-    public boolean registerStudent(String username, String password) {
-        if (findStudent(username) != null) {
-            return false;
-        }
-        students.add(new Student(username, password));
-        return true;
-    }
-
-    public Student loginStudent(String username, String password) {
-        Student student = findStudent(username);
-        if (student != null && student.checkPassword(password)) {
-            return student;
-        }
-        return null;
-    }
-
-    private Student findStudent(String username) {
-        for (Student s : students) {
-            if (s.getUsername().equals(username)) return s;
-        }
-        return null;
-    }
+   //TODO
 
     // ========== Teacher Management ==========
     public boolean registerTeacher(String username, String password) {
@@ -65,19 +44,12 @@ public class SchoolSystem {
 
     // ========== Course Management ==========
     public boolean addCourseToSystem(String courseName) {
-        for (Course c : allCourses) {
-            if (c.getName().equals(courseName)) {
-                return false;
-            }
-        }
-        allCourses.add(new Course(courseName));
+        //TODO
         return true;
     }
 
     public Course findCourseById(int id) {
-        for (Course c : allCourses) {
-            if (c.getId() == id) return c;
-        }
+       //TODO
         return null;
     }