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

which of the following statements is correct?

Question

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

which of the following statements is correct?

Admin · Accepted Answer

This code will compile without any errors.

Admin · Answer

This code will not compile, because method doYourJob() in interface Guard must be defined abstract.

Admin · Answer

When it doesn't make sense to have objects of that class.

Admin · Answer

This code will not compile, because in the declaration of class Dog we must use the keyword extends instead of implements.

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?