Java tutorial
//package com.java2s; //License from project: Open Source License public class Main { public static String hex(byte[] array) { StringBuffer sb = new StringBuffer(); for (int i = 0; i < array.length; ++i) { sb.append(Integer.toHexString((array[i] & 0xFF) | 0x100).substring(1, 3)); } return sb.toString(); } }