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Facebook Java Developer Mock Interview

Question 18 of 20 for our Facebook Java Developer Mock Interview

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Question 18 of 20

How is Enum used in Java?

"Enum is a type whose field is made up of fixed sets of constants. An example of this would be the setting of times within a Java program used in Facebook as morning, noon, afternoon, and evening. These become key words used to create enum types, which are similar to a class."

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How to Answer: How is Enum used in Java?

Advice and answer examples written specifically for a Facebook job interview.

  • 18. How is Enum used in Java?

      How to Answer

      You should already recognize this as a technical question. It is asking you how a concept or process is used within the Java programming language. Continue to answer technical questions directly and briefly, with little embellishment, anticipating follow-up questions from the Facebook interviewer.

      Answer Example

      "Enum is a type whose field is made up of fixed sets of constants. An example of this would be the setting of times within a Java program used in Facebook as morning, noon, afternoon, and evening. These become key words used to create enum types, which are similar to a class."

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