Here you can find the source of byteToHexStringPadded(int value)
public static String byteToHexStringPadded(int value)
//package com.java2s; //License from project: Apache License public class Main { private static final String[] BYTE2HEX_PAD = new String[256]; public static String byteToHexStringPadded(int value) { return BYTE2HEX_PAD[value & 0xff]; }/*from w ww. j a va2 s. c o m*/ }