Finalizing documentation in Administration class

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

@@ -26,10 +26,21 @@ public class Administration {
 
     }
 
+    /**
+     * Adds a course to the list of courses.
+     *
+     * @param course The course to be added.
+     */
     public void addCourse(Course course){
         courses.add(course);
     }
 
+    /**
+     * Deletes a course from the list of courses based on its course ID.
+     *
+     * @param courseID The course ID of the course to be deleted.
+     * @return true if the course is successfully deleted, false otherwise.
+     */
     public boolean deleteCourse(String courseID){
         for(Course course : courses){
             if(course.getCourseCode().equals(courseID)){
@@ -40,6 +51,12 @@ public class Administration {
         return false;
     }
 
+    /**
+     * Finds a course in the list of courses based on its course ID.
+     *
+     * @param courseID The course ID of the course to be found.
+     * @return The course with the specified course ID, or null if not found.
+     */
     public Course findCourseByID(String courseID){
         for(Course course : courses){
             if(course.getCourseCode().equals(courseID)){