Here you can find the source of setBit(int f, int i)
public static int setBit(int f, int i)
//package com.java2s; /**File: UtilLib.java /* w w w. ja va 2 s .co m*/ Original Author: Sven Schuierer Date: 04/01/2012 Copyright 2015 Novartis Institutes for BioMedical Research Inc.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 { /*********************************************************************************** * * set and unset a bit in an integer * ***********************************************************************************/ public static int setBit(int f, int i) { int k = (1 << i); if (f % (2 * k) < k) { return f + k; } return f; } public static int setBit(int f, int i, boolean b) { if (b) { return setBit(f, i); } return unsetBit(f, i); } public static int unsetBit(int f, int i) { int k = (1 << i); if (f % (2 * k) >= k) { return f - k; } return f; } }