refactoring: encapsulated the input handling related with case 7

src/main/java/org/example/Administration.java

@@ -586,6 +586,16 @@ public class Administration {
             System.out.println("Student with ID " + studentId + " not found.");
         }
     }
+    public void deleteCourseWithInput(Scanner scanner) {
+        System.out.print("Enter the Course ID of the course you wish to delete: ");
+        String courseIDToDelete = scanner.next();
+        boolean isDeleted = deleteCourse(courseIDToDelete);
+        if (isDeleted) {
+            System.out.println("Course with ID " + courseIDToDelete + " has been successfully deleted.");
+        } else {
+            System.out.println("Course with ID " + courseIDToDelete + " not found.");
+        }
+    }
 
 }
 

src/main/java/org/example/Main.java

@@ -74,14 +74,7 @@ public class Main {
                     break;
                 case 7:
                     // Delete Course
-                    System.out.println("Enter the Course ID of the course you wish to delete:");
-                    String courseIDToDelete = scanner.next();
-                    boolean isDeleted = administration.deleteCourse(courseIDToDelete);
-                    if (isDeleted) {
-                        System.out.println("Course with ID " + courseIDToDelete + " has been successfully deleted.");
-                    } else {
-                        System.out.println("Course with ID " + courseIDToDelete + " not found.");
-                    }
+                    administration.deleteCourseWithInput(scanner);
                     break;
                 case 8:
                     administration.viewCourses();