Java tutorial
//package com.java2s; public class Main { public static String intArrayToString(int[] ia) { if (ia == null) { return ""; } StringBuilder sb = new StringBuilder(); for (int i = 0; i < ia.length; i++) { sb.append(';'); sb.append(ia[i]); } if (ia.length > 0) { sb.deleteCharAt(0); } return sb.toString(); } }