Java tutorial
//package com.java2s; public class Main { private static int MAC_ADDR_LEN = 6; public static String getDeviceBssid(byte[] responseBytes) { int deviceBssidOffset = 0x0a; int deviceBssidCount = MAC_ADDR_LEN; StringBuilder sb = new StringBuilder(); for (int i = 0; i < deviceBssidCount; ++i) { if (i != 0) { sb.append(":"); } int hexValue = 0xff & responseBytes[deviceBssidOffset + i]; if (hexValue < 0x0f) { sb.append("0"); } sb.append(Integer.toHexString(hexValue)); } return sb.toString(); } }