Regardless of the rationale behind the interviewer's question, your answer should be consistent throughout the interview. Technical and operational questions should be answered directly and briefly. Embellishing your answers may indicate that you are not confident in your initial response and are trying to cover this up by adding additional information.

"You can create Enum without any instance in Java. An example of this is creating a utility class, which is another way of using Enum when coding in Java. This doesn't require the use of defined constants such as colors or notes on a scale which are common in other uses of Enum."