How can Enum values be transformed into integers in both "Enum" and "Enum Class"?

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In both "Enum" and "Enum Class", Enum values can be transformed into integers by using the default method "ordinal()". The "ordinal()" method returns the zero-based position of the enum constant in the list of constants. For example, consider the following enum class:

enum Color {
  RED, GREEN, BLUE;
}

To get the integer value of an enum constant, you can call its ordinal() method like this:

Color c = Color.RED;
int value = c.ordinal(); // value will be 0

Note that ordinal values start at 0 for the first constant in the list and increment by 1 for each subsequent constant. So, in this example, RED has an ordinal value of 0, GREEN has an ordinal value of 1, and BLUE has an ordinal value of 2.