- A This code will not compile, because method doYourJob() in interface Guard must be defined abstract.
- B This code will not compile, because class Dog must implement method doYourJob() from interface Guard.
- C This code will not compile, because in the declaration of class Dog we must use the keyword extends instead of implements.
- D This code will compile without any errors.
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Answer:
D
Explanation:
This code will compile without any errors.