Core Java · interview question
Why does an interface in Java matter in this design?
Multiple choiceEasychapter-5-curatedpremiumcore-javaupcasting-and-dynamic-dispatch
Answer and explanation
Correct answer
C. To provide a blueprint for classes.
Why
Interfaces in Java define a contract that classes must follow, providing a blueprint for the methods that implementing classes need to provide. This ensures that different classes can be used interchangeably if they implement the same interface.
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