Here you can find the source of setBit(int changeValue, int position, int value)
public static int setBit(int changeValue, int position, int value)
//package com.java2s; /*/*from w w w. ja v a 2 s . c o m*/ * "BSLib", Brainstorm Library. * Copyright (C) 2015 by Sergey V. Zhdanovskih. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static int setBit(int changeValue, int position, int value) { int result = changeValue; int bt = (1 << position); if (value == 1) { result |= bt; } else { result &= (bt ^ 255); } return result; } }