Write code to byte array To Hex String
//package com.book2s; public class Main { public static void main(String[] argv) { byte[] bytes = new byte[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 }; System.out.println(bytesToHexString(bytes)); }/*from w w w . java 2 s . com*/ private static final char[] hexArray = "0123456789ABCDEF".toCharArray(); public static String bytesToHexString(byte[] bytes) { if (bytes == null) { return null; } final char[] hexChars = new char[bytes.length * 2]; int v; for (int j = 0; j < bytes.length; j++) { v = bytes[j] & 0xFF; hexChars[j * 2] = hexArray[v >>> 4]; hexChars[j * 2 + 1] = hexArray[v & 0x0F]; } return new String(hexChars); } }