What is an interface?
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Q24: A single class may implement multiple interfaces.
Q25: Describe the compareTo method the circumstances under
Q26: Are there any differences between extending a
Q28: Consider a class hierarchy that includes a
Q30: Write an interface for a CD player.
Q31: An interface name may be used as
Q32: How does inheritance relate to polymorphism in
Q33: Can references to interface types be polymorphic?
Q34: An interface cannot declare any instance variables.
Q102: What is polymorphism?
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