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Where do I put enum classes?
Usually I find that the enum is centered around a single class — as a MyClassOptions type of thing. In that case, I place the enum in the same file as MyClass, but inside the namespace but outside the class.
Should enums have their own class?
Enums are classes so you should pack them as ordinary classes. If the enum is used in many places inside the package then put it in a single file. If the enum is strongly linked with a class, then put it as a public (or protected) static inner class.
Should enums be in a separate file?
If the enum is only used within one class, it should be placed within that class, but if the enum is used between two or more classes, it ought to either be in it’s own code file, or in a conglomerated code file that contains all the enum for a particular assembly.
Should enums be in header?
In general an enum is going to be used as a type definition and should always be in the header file. Things to think about are the scope of it. If the enum is just placed outside any scope in the header, it will be globally available to any thing that includes the header file.
Can we define multiple enum inside a class?
java file may have only one public class. You can therefore declare only one public enum in a . Each of the member enum definitions must stand alone (i.e., it must be a complete enum definition). If you have constant-associated data, then each enum definition will need its own instance fields and constructor.
Which is enum class is used by the player class?
The enum class State is used by the Player class, as well as by many other external components. This way every other component that needs the Player::State definition has to include the Player.hpp file. I’m not 100% sure about this solution.
Why do we use enums in control flow?
Using enums for control flow or more robust abstractions can be a code smell. This type of usage leads to fragile code with many control flow statements checking values of the enum. Instead, you can create Enumeration classes that enable all the rich features of an object-oriented language.
When to use Enumeration classes instead of integral types?
Enumerations (or enum types for short) are a thin language wrapper around an integral type. You might want to limit their use to when you are storing one value from a closed set of values. Classification based on sizes (small, medium, large) is a good example.