What should be the method header for the equals method for a Lion class? To implement a GUI in Javafx, what is the class that your GUI class have to extend? What is the header of the method that you have to override? Class name: ___ Method header: ___ Using an event handler to handle events is a common practice in GUI programming. What is the interface's name that you have to implement? What is the method that you have to override from that interface? You can assume we will handle ActionEvent. Interface name: ___ Method header: ___ Answer true or false for the following statements You can instantiate an interface (i.e. create an object directly from an interface) ___ You can instantiate an abstract class. ___ You can create an interface reference. ___ What is the primary purpose of designing an abstract class as a super class instead of a normal class as a super class? ___