Facebook Java Developer Mock Interview

Practice 20 Facebook Java Developer interview questions covering system design, scalability, and backend engineering.

Question 4 of 20

How is Enum used in Java?

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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.

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.

William Swansen

"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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