Here you can find the source of bytes2Int(byte... bytes)
public static int bytes2Int(byte... bytes)
//package com.java2s; /*//from w ww . j a va2s . c om * jfreesteel: Serbian eID Viewer Library (GNU LGPLv3) * Copyright (C) 2011 Goran Rakic * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License version * 3.0 as published by the Free Software Foundation. * * This software 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 software; if not, see * http://www.gnu.org/licenses/. */ public class Main { public static int bytes2Int(byte... bytes) { int value = 0; int shift = 0; for (byte b : bytes) { value |= (0xff & b) << shift; shift += 8; } return value; } }