Here you can find the source of toLong(byte b)
private static long toLong(byte b)
//package com.java2s; /******************************************************************************* * Copyright (c) 2004 Actuate Corporation. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors:/*from www. j av a2 s . co m*/ * Actuate Corporation - initial API and implementation *******************************************************************************/ public class Main { private static long toLong(byte b) { return 0xff & b; } }