EXample: Incorporating Subsystems Before Analysis class to be replaced RegisterForCoursesForm: Registration Controller: Course Catalog System: Schedule Student Student 1.∥ create schedule 1.1.get course offerings() Student wishes to create a new 1.1.1.get course offerings(forSemester) schedule 1. 2. / display course offerings() A list of the available course offerings for this semester are displayed a blank schedule 1.3. /I display blank schedule() is displayed for the students to select oFFerings Select Offerings Submit Schedule10 Example: Incorporating Subsystems (Before) Analysis class to be replaced : Student : RegisterForCoursesForm : RegistrationController : CourseCatalogSystem : Schedule : Student Student wishes to create a new schedule 1. // create schedule( ) 1.2. // display course offerings( ) 1.1. // get course offerings( ) 1.1.1. // get course offerings(forSemester) 1.3. // display blank schedule( ) A blank schedule is displayed for the students to select offerings A list of the available course offerings for this semester are displayed Select Offerings Submit Schedule ref ref