Here you can find the source of asUnsignedByte(byte b)
public static int asUnsignedByte(byte b)
//package com.java2s; /*/*ww w . j a va 2 s . c o m*/ Copyright (c) 2005 Health Market Science, Inc. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA You can contact Health Market Science at info@healthmarketscience.com or at the following address: Health Market Science 2700 Horizon Drive Suite 200 King of Prussia, PA 19406 */ public class Main { /** * @return the byte value converted to an unsigned int value */ public static int asUnsignedByte(byte b) { return b & 0xFF; } }