Java tutorial
import java.util.LinkedHashMap; import java.util.Map; public class Main { public static void main(String[] args) { Map<String, Integer> map = new LinkedHashMap<>(); map.put("Zero", 0); map.put("One", 1); map.put("Two", 2); map.put("Three", 3); map.put("Four", 4); for (Map.Entry<String, Integer> entry : map.entrySet()) { System.out.println(entry.getKey() + " => " + entry.getValue()); } } }