Write code to to Hex String
//package com.book2s; public class Main { public static void main(String[] argv) { byte[] bs = new byte[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 }; System.out.println(toHexString(bs)); }/* ww w . j av a2 s.co m*/ private static final char[] hexArray = "0123456789abcdef".toCharArray(); public static final String toHexString(byte[] bs) { if (bs == null) return null; char[] hexChars = new char[bs.length * 2]; for (int i = 0; i < bs.length; i++) { int v = bs[i] & 0xff; hexChars[i * 2] = hexArray[v >>> 4]; hexChars[i * 2 + 1] = hexArray[v & 0x0f]; } return new String(hexChars); } }