Which of the following is true of abstract classes? a.An abstract class cannot have child classes b.An abstract class is a parent class with more than one child class. c.An abstract class cannot be instantiated. d.An abstract class is another name for a base class.   Which of the following is true of abstract methods? Select one: a.An abstract method is a method of the child class which overrides a parent method. b.An abstract method is a method without a body which is declared using the keyword abstract. c.An abstract method is any method of an abstract class d.An abstract method is a method which cannot be inherited.   Can an abstract class define both abstract and non abstract methods. a.No. All methods must be one or the other. b.No. All methods must be abstract. c.Yes, but the child classes do not inherit the abstract methods. d.Yes. The child classes inherit both.

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