Update

notenmanager.iml

.../thdeg/grademanager/gui/CourseModificationController.java

...deg/grademanager/gui/CoursesOfStudyDetailsController.java

...rademanager/gui/CoursesOfStudyModificationController.java

...a/de/thdeg/grademanager/gui/StudentDetailsController.java

...main/java/de/thdeg/grademanager/model/CoursesOfStudy.java

...in/java/de/thdeg/grademanager/model/UniversityMember.java

...ources/de/thdeg/grademanager/gui/course-modification.fxml

...s/de/thdeg/grademanager/gui/courses-of-study-details.fxml

...thdeg/grademanager/gui/courses-of-study-modification.fxml

src/main/resources/de/thdeg/grademanager/gui/main.fxml

.../resources/de/thdeg/grademanager/gui/student-details.fxml