Here you can find the source of unsignedByteToInt(byte in)
public static int unsignedByteToInt(byte in)
//package com.java2s; /*// w w w. j a v a 2 s . c o m * Copyright 2011 frdfsnlght <frdfsnlght@gmail.com>. * * 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 unsignedByteToInt(byte in) { int out = (int) in; if (out < 0) out += 256; return out; } }