public class Main { public static void main(String[] args) { Student student1 = new Student(); student1.setId(1); student1.setFirstName("Anýl"); student1.setLastName("YALIMDEMIR"); student1.setUserName("student1"); student1.setPassword("student1_123"); student1.setEmail("[email protected]"); student1.setUserType("Student"); student1.setCourse("Java + React Yazýlýmcý Geliþtirme Kampý"); Student student2 = new Student(); student2.setId(2); student2.setFirstName("Adem"); student2.setLastName("YALIMDEMIR"); student2.setUserName("student2"); student2.setPassword("student2_321"); student2.setEmail("[email protected]"); student2.setUserType("Student"); student2.setCourse("C# + Angular Yazýlýmcý Geliþtirme Kampý"); Student[] students = new Student[] {student1, student2}; Instructor instructor1 = new Instructor(); instructor1.setId(1); instructor1.setFirstName("Engin"); instructor1.setLastName("Demiroð"); instructor1.setUserName("engin.demirog"); instructor1.setPassword("instructor_engin123"); instructor1.setEmail("[email protected]"); instructor1.setUserType("Instructor"); instructor1.setCourse("C# + Angular && Java + React Yazýlýmcý Geliþtirme Kampý"); Instructor[] instructors = new Instructor[] {instructor1}; User[] users = new User[] {instructor1, student1, student2}; UserManager userManager = new UserManager(); userManager.addMultiple(users); System.out.println("\n\n############## ALL USERS ##############"); userManager.getAll(users); System.out.println("\n#########################################\n"); System.out.println("\n\n############## TESTS FOR STUDENTS ##############"); StudentManager studentManager = new StudentManager(); studentManager.add(student1); studentManager.add(student2); studentManager.update(student2); studentManager.remove(student1); studentManager.addMultiple(students); studentManager.joinCourse(student1); studentManager.attendCourse(student2); studentManager.attendCourse(student1); studentManager.leaveCourse(student2); studentManager.sendHomework(student1); System.out.println("\n\n############## ALL STUDENTS ##############"); studentManager.getAll(students); System.out.println("\n#########################################\n"); System.out.println("\n\n############## TESTS FOR STUDENTS ##############"); InstructorManager instructorManager = new InstructorManager(); instructorManager.add(instructor1); instructorManager.update(instructor1); instructorManager.remove(instructor1); instructorManager.addMultiple(instructors); instructorManager.addHomework(instructor1); instructorManager.addCourse(instructor1); instructorManager.updateCourse(instructor1); instructorManager.updateHomework(instructor1); instructorManager.removeHomework(instructor1); instructorManager.removeCourse(instructor1); System.out.println("\n\n############## ALL INSTRUCTORS ##############"); instructorManager.getAll(instructors); System.out.println("\n#########################################\n"); } }