Finished "TODO" and Bonus sections

src/CourseRegistrationStarter/Main.java

@@ -2,13 +2,26 @@ package CourseRegistrationStarter;
 
 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 AP = new Course("Advanced Programming", "4041122334", 40);
+        Course FM = new Course("Foundation of Math", "4041212334", 30);
+        Course GM = new Course("General Math","4041234123",60);
+
+        Student farnam = new Student("Farnam", "404111234");
+        farnam.setLimitOfCourses(3);
+        RegistrationSystem regSys = new RegistrationSystem();
+
+        regSys.addCourseToSystem(AP);
+        regSys.addCourseToSystem(FM);
+        regSys.addCourseToSystem(GM);
+
+        farnam.addCourse(AP);
+        farnam.addCourse(FM);
+        farnam.addCourse(GM);
+
+        farnam.dropCourse(FM);
+
+        farnam.showRegisteredCourses();
+
+        regSys.showAllCourses();
     }
 }