Which answer best describes how many interfaces a class can implement?
A) 0
B) 1
C) 1 or more
D) 0 or more
Correct Answer:
Verified
Q21: An abstract class cannot have instance data
Q22: Assigning a derived class reference to a
Q38: Objects of abstract base classes can be
Q42: Classes which may be instantiated are _
Q43: Abstract methods and properties do not provide
Q44: The use of polymorphism helps promote software
Q45: All methods in an abstract class are
Q47: You may define implementations for abstract methods
Q48: The MustOverride keyword has the same effect
Q51: Concrete classes provide implementations for at least
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