Given the following piece of code: public interface Guard{ void doYourJob(); } abstract public class Dog implements Guard{ } which of the following statements is correct?

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Java Programming Language Java Interfaces And Abstract Classes MCQ

Java Interfaces And Abstract Classes MCQ - Quiz

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Q: Given the following piece of code:

public interface Guard{
        void doYourJob();
}
abstract public class Dog implements Guard{ }

which of the following statements is correct?

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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Q: Given the following piece of code: public interface Guard{ void doYourJob(); } abstract public class Dog implements Guard{ } which of the following statements is correct?

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Q: Given the following piece of code:
public interface Guard{ void doYourJob(); } abstract public class Dog implements Guard{ }
which of the following statements is correct?