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by Javin Paul.
Original Post: 15 Java Enum Interview Questions for Developers with Answers
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Enum was introduced in Java 5 and since then it's been very popular among
Java developers and widely used in different Java applications. Since Enum in
Java is much more versatile than Enum in C or C++, it also presents lots of
interesting use cases, couple of them, we have seen in my article 10ways to use Enum in Java. But, despite being so popular, many Java
programmer are still not aware of functionality provided by Enum and subtle
details of using Enum in Java code. I realized this fact, when couple of my
readers asked me some of the questions e.g. Can Enum implement an interface
in Java or Why we can not create Enum instances outside of Enum,
stating that these has been asked to them in there Java Interviews. This
motivates me to put together a list of frequently asked question in Java Enum,
which not only helps to do well in Interviews, but also open new path for
learning. As I had said before, lot of time a question in Interviews, makes you
to take a topic more seriously than otherwise, which is not a bad thing, and
given the power and facilities offered by Java Enum, I think it's high time to
get master of it.
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