Find an enum instance by any property of it

EnumByNameExample.java

enum Foo {
    ONE, TWO;
    private static class Helper {
        public static Map<String, Foo> enumByName = new HashMap<>();
        static {
            Arrays.stream(Foo.values()).forEach(it -> enumByName.put(it.name(), it));
            assert Foo.Helper.enumByName.get("ONE") == Foo.ONE; // usage
        }
    }
}