src/main/java/seedu/address/model/ModelManager.java
@Override
    public void updateExtraFilteredStaffCourseList(Predicate<Course> predicate) {
        requireNonNull(predicate);
        filteredCourses.setPredicate(predicate);
        extraStaffCoursePredicate = predicate;
    }
/**
     * Update Extra Filtered Staff Course List.
     */
Update Extra Filtered Staff Course List.
Update Extra Filtered Staff Course List .
@Override
    public void updateExtraFilteredStaffCourseList(Predicate<Course> predicate) {
        requireNonNull(predicate);
        filteredCourses.setPredicate(predicate);
        extraStaffCoursePredicate = predicate;
    }
@ Override public void updateExtraFilteredStaffCourseList ( Predicate < Course > predicate ) { requireNonNull ( predicate ) ; filteredCourses . setPredicate ( predicate ) ; extraStaffCoursePredicate = predicate ; }
Update Extra Filtered Staff Course List.
Update Extra Filtered Staff Course List .