An interface is a collection of abstract methods. It cannot be instantiated.
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Q33: A constructor cannot have any return type,
Q34: The this reference always refers to the
Q35: When an object is passed to a
Q36: A method is made static by using
Q37: Inherited variables and methods can be used
Q39: Common features should be located as low
Q40: Inheritance can be applied to interfaces, so
Q41: A polymorphic reference uses the type of
Q42: Errors and exceptions represent unusual or invalid
Q43: Objects should be self-governing. Explain.
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