Here you can find the source of byteToInt(byte b)
public static int byteToInt(byte b)
//package com.java2s; /*/*from w ww . ja v a 2 s. c o m*/ * Copyright 2010 sasc * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { public static int byteToInt(byte b) { return (int) b & 0xFF; } public static int byteToInt(byte first, byte second) { int value = (first & 0xFF) << 8; value += second & 0xFF; return value; } }