In a user defined clan, an array can be an instance variable a parameter to a method a return value from a method a local variable in a method None of the above B and C All off the above (a through d) Which of the following is a technical design Implementation and not a requirement? Users must be able to view their personal data on-line at least 20 hours per day Employees must be able to cancel any plan through the on-line web page. Data must be updated in the database within 24 hours of being entered. The data file will reside on the directory C:\Data\inbound\interfaces. In the following class diagram, indicate which elements are data field members and which are methods