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Which of these can be used to fully abstract a class from its implementation?

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Which of these can be used to fully abstract a class from its implementation?

(a) Objects

(b) Packages

(c) Interfaces

(d) None of the Mentioned

I have been asked this question in an interview for job.

My doubt stems from Interfaces topic in section Interfaces & Packages of Java

1 Answer

+1 vote
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Best answer
Right choice is (c) Interfaces

For explanation I would say: None.

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