private static Student processStudent(String nextLine) {
		Scanner lineScanner = new Scanner(nextLine);
		try {
			lineScanner.useDelimiter(",");
			String firstName = lineScanner.next();
			String lastName = lineScanner.next();
			String id = lineScanner.next();
			String email = lineScanner.next();
			String password = lineScanner.next();
			int maxCredits = lineScanner.nextInt();
			Student s = new Student(firstName, lastName, id, email, password, maxCredits);
			while(lineScanner.hasNext()){
				Course c = CourseManager.getInstance().getCourseByName(lineScanner.next());
				if(c == null){
					lineScanner.close();
					throw new IllegalArgumentException();
				}
				if(!s.canAddCourse(c)){
					lineScanner.close();
					throw new IllegalArgumentException();
				}
				if(s.canAddCourse(c)){
					s.addCourse(c);
//					lineScanner.close();
				}
			}
			lineScanner.close();
			return s;
		} catch(NoSuchElementException e) {
			lineScanner.close();
			throw new IllegalArgumentException();
		}