What is enum class used for?

Enums are used to create our own data type like classes . The enum data type (also known as Enumerated Data Type) is used to define an enum in Java. Unlike C/C++, enum in Java is more powerful. Here, we can define an enum either inside the class or outside the class.

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Can you extend an enum Swift?

We can extend the enum in two orthogonal directions : we can add new methods (or computed properties), or we can add new cases. Adding new methods won’t break existing code. Adding a new case, however, will break any switch statement that doesn’t have a default case.

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