Here you can find the source of asUnsignedInt(byte b)
public static int asUnsignedInt(byte b)
//package com.java2s; /*/*from w w w.j a va2 s. c o m*/ * RomRaider Open-Source Tuning, Logging and Reflashing * Copyright (C) 2006-2013 RomRaider.com * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ public class Main { public static int asUnsignedInt(byte b) { return asUnsignedInt(new byte[] { b }); } public static int asUnsignedInt(byte[] bytes) { int i = 0; for (int j = 0; j < bytes.length; j++) { if (j > 0) { i <<= 8; } i |= bytes[j] & 0xFF; } return i; } }