Java tutorial
import java.util.EnumMap; import java.util.Map; enum color { red, green, blue } enum letter { a, b, c } public class Main { public static void main(String[] args) { Map<color, letter> map = new EnumMap<color, letter>(color.class); map.put(color.red, letter.a); map.put(color.green, letter.b); map.put(color.blue, letter.c); Map<color, letter> map2 = new EnumMap<color, letter>(color.class); letter[] letters = new letter[] { letter.a, letter.b, letter.c }; for (int i = 0; i < color.values().length; i++) { map2.put(color.values()[i], letters[i]); } System.out.println(map); System.out.println(map2); } }