Object-oriented programming · interview question
If a class implements two interfaces with methods that have the same signature, what must the class do?
Multiple choiceHardchapter-5-curatedpremiumoopinterfaces
Answer and explanation
Correct answer
D. Implement the method once, as the signature is identical
Why
When a class implements multiple interfaces with methods that have the same signature, it only needs to implement the method once. The same method implementation will satisfy both interface contracts.
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