Data/information hiding and encapsulation improves construction and maintenance because: (points : 5) program bugs are isolated to a single class.
programming to an interface makes the code more logical.
both a and b
none of the above

Which best compares appointments and events in outlook 2010appointments have a subject man, and events do notappointments have a specific date or range of dates, and events do notappointments have a start and end time of day, and events do notappointments have a location option, and events do not