Write code to convert 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(toHexString(bytes)); }//from w w w .j a va 2 s . c om public static final String toHexString(byte[] bytes) { StringBuilder sb = new StringBuilder(); for (int i = 0; i < bytes.length; i++) { String temp = Integer.toHexString(0xFF & bytes[i]); // Take care of bytes 0x00 - 0x0F if (temp.length() < 2) { sb.append("0"); } sb.append(temp); } return sb.toString(); } public static final String toHexString(byte[] bytes, boolean toUpperCase) { return toUpperCase ? toHexString(bytes).toUpperCase() : toHexString(bytes); } }