How to get all enum values in Java?

Question

I came across this problem that I without knowing the actual enum type I need to iterate its possible values.

if (value instanceof Enum){
   Enu         


        

Answer 1

Here, Role is an enum which contains the following values [ADMIN, USER, OTHER].

List<Role> roleList = Arrays.asList(Role.values());
roleList.forEach(role -> {
    System.out.println(role);
    });