If a class implements an interface, all its subclasses do so implicitly.
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Q2: Characteristics common to several classes can be
Q3: A class variable belongs to an object
Q4: Interfaces can be organized in an inheritance
Q5: Classes that are related by inheritance have
Q6: When you declare a variable, it should
Q7: An abstract class is one that will
Q8: Class methods can reference only instance variables,
Q9: It is easier to maintain a program
Q10: A Java _ specifies the set of
Q11: The methods in an interface are usually
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