1. define a base class to represent a time. a. your class should have instance variables for hours, minutes and seconds. your base class should have a tostring method that displays the time, as well as equals method that compares the time in the clock. create appropriate set and get methods for the class. also create an “addtime” method to the clock (it should have a parameter for hours, minutes, and seconds) b. define a derived class called alarmclock to represent an alarm clock. the alarmclock class should include alarmhour (0 – 24), alarmminute (0 - 59), and alarmsecond (0 - 59). override the “addtime” method to not only call the parent class’s method, but also determine if the alarm has gone off (print a message if it has) c. use the following driver to test the functionalities of your alarmclock: