complete all TODO sections

2026-04-20 20:48:20 +03:30
parent 8ddd529c85
commit c0c283e0c5
3 changed files with 139 additions and 19 deletions
@@ -1,14 +1,75 @@
 package CourseRegistrationStarter;

+import java.util.Scanner;
+
 public class Main {
    public static void main(String[] args) {
-        // TODO:
-        // 1. Create at least 3 courses
-        // 2. Create 1 student
-        // 3. Create a registration system
-        // 4. Add courses to the system
-        // 5. Register the student in some courses
-        // 6. Drop one course
-        // 7. Print the final registered course list
+        Course course1 = new Course("َAP", "1414", 2);
+        Course course2 = new Course("DS", "2201", 1);
+        Course course3 = new Course("DB", "3301", 3);
+        Student student1 = new Student("Ali", "402222001");
+        RegistrationSystem registrationSystem = new RegistrationSystem();
+        registrationSystem.addCourseToSystem(course1);
+        registrationSystem.addCourseToSystem(course2);
+        registrationSystem.addCourseToSystem(course3);
+
+        boolean isChosen = false;
+        while (!isChosen)
+        {
+            System.out.println("\n--- Menu ---");
+            System.out.println("1) Add course");
+            System.out.println("2) Drop course");
+            System.out.println("3) Show registered courses");
+            System.out.println("4) Show all courses");
+            System.out.println("5) Exit");
+            System.out.print("Enter your choice: ");
+            Scanner in = new Scanner(System.in);
+            int chosen = in.nextInt();
+            if (chosen == 1)
+            {
+                System.out.print("Enter Course Code to add: ");
+                String codeToAdd = in.next();
+                Course courseToAdd = registrationSystem.findCourseByCode(codeToAdd);
+
+                if (courseToAdd != null)
+                {
+                    student1.addCourse(courseToAdd);
+                }
+                else
+                {
+                    System.out.println("Error: Course not found in system.");
+                }
+            }
+            else if (chosen == 2)
+            {
+                System.out.println("\n--- Drop Course ---");
+                System.out.print("Enter Course Code to drop: ");
+                String codeToDrop = in.next();
+                Course courseToDrop = registrationSystem.findCourseByCode(codeToDrop);
+
+                if (courseToDrop != null)
+                {
+                    student1.dropCourse(courseToDrop);
+                }
+            }
+            else if (chosen == 3)
+            {
+                System.out.println("\n--- Registered Courses ---");
+                student1.showRegisteredCourses();
+            }
+            else if (chosen == 4)
+            {
+                System.out.println("\n--- All Available Courses ---");
+                registrationSystem.showAllCourses();
+            }
+            else if (chosen == 5)
+            {
+                isChosen = true;
+            }
+            else
+            {
+                System.out.println("Invalid! Please enter a number between 1 and 5.");
+            }
+        }
    }
 }