Ведь всеж пронумеровано
package com.javarush.task.pro.task13.task1316;
import java.util.Arrays;
public class Solution {
public static void main(String[] args) {
JavarushQuest[] quests = JavarushQuest.values();
for (JavarushQuest quest: quests){
System.out.println(quest.ordinal() + " " + quest);
}
}
}