Use the element() method of vector to get the enumeration of the vector element. Using the list(Enumeration e) method of the Collections to get the ArrayList.
Read moreWhen should I use enum in Java?
Enums are lists of constants. When you need a predefined list of values which do represent some kind of numeric or textual data , you should use an enum. You should always use enums when a variable (especially a method parameter) can only take one out of a small set of possible values.
Read moreHow do you create an enum list?
The idea is to use the Enum. GetValues() method to get an array of the enum constants’ values. To get an IEnumerable<T> of all the values in the enum, call Cast<T>() on the array. To get a list, call ToList() after casting .
Read moreHow do I get a list of all enum values?
To get all values of an enum, we can use the Enum. GetValues static method . The Enum. GetValues method returns an array of all enum values.
Read moreCan you have an ArrayList of enums?
You can create a list that holds enum instances just like you would create a list that holds any other kind of objects: ? List<ExampleEnum> list = new ArrayList<ExampleEnum>(); list.
Read moreCan enums have a constructor?
Now, you know that Enum can have a constructor in Java that can be used to pass data to Enum constants, just like we passed action here. Though Enum constructor cannot be protected or public, it can either have private or default modifier only.7 Kas 2021
Read moreHow many constructors can an enum have?
Yes, they must be declared before other fields of the enum class. Yes, they can have more than one constructor .
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