public MajorInitializer() { Majors = new Major(); Majors.addMajor("ICS"); Majors.addMajor("CSE"); Majors.addMajor("STATS"); Majors.addMajor("COMPSCI"); Majors.addMajor("IN4MATX"); Majors.addMajor("BIM"); Majors.addMajor("BMC"); // initialize the list of added majors listOfAddedMajors = new ObservableCollection<string>(); listOfClassesTaken = new ObservableCollection<Class>(); listOfAllClasses = new ObservableCollection<Class>(); listOfPrefferedClasses = new ObservableCollection<Class>(); //create the list of years scheduleOfClasses = new ObservableCollection<Year>(); initiateSchedleOfClasses(); // initialize the importString importString = ""; }