Write code to convert byte hex
//package com.book2s; public class Main { public static void main(String[] argv) { byte[] b = new byte[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 }; System.out.println(byte2hex(b)); }//from ww w. ja v a2 s . c o m final private static char[] hexChars = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; /** * * @param b * @return */ public static String byte2hex(byte[] b) { return byte2hex(b, (char) 0); } private static void byte2hex(byte b, StringBuffer buf) { int high = ((b & 0xf0) >> 4); int low = (b & 0x0f); buf.append(hexChars[high]); buf.append(hexChars[low]); } public static String byte2hex(byte b) { int high = b; high = (high & 0xf0) >> 4; // System.out.print(Integer.toHexString(high)); int low = (b & 0x0f); // System.out.print(Integer.toHexString(low)); return "" + hexChars[high] + hexChars[low]; } /** * * @param b * @param delimiter * @return */ public static String byte2hex(byte[] b, char delimiter) { StringBuffer sb = new StringBuffer(); for (int n = 0; n < b.length; n++) { byte2hex(b[n], sb); if (n < (b.length - 1) && delimiter != 0) sb.append(delimiter); } return sb.toString().toLowerCase(); } }