Java tutorial
import java.util.Iterator; import java.util.Map; import java.util.TreeMap; public class Main { public static void main(String[] args) { Map<String, int[]> map = new TreeMap<String, int[]>(); int[] array = new int[3]; array[0] = 0; array[1] = 1; array[2] = 2; map.put("array", array); Iterator<String> iter = map.keySet().iterator(); while (iter.hasNext()) { String arrayName = iter.next(); array = map.get(arrayName); System.out.print(arrayName + ":"); for (int i = 0; i < array.length; i++) { System.out.print(array[i]); } } } } //array:012