Here you can find the source of divideAndRoundUp(long dividend, int divisor)
public static int divideAndRoundUp(long dividend, int divisor)
//package com.java2s; /****************************************************************************\ * * * SNEE (Sensor NEtwork Engine) * * http://code.google.com/p/snee * * Release 1.0, 24 May 2009, under New BSD License. * * * * Copyright (c) 2009, University of Manchester * * All rights reserved. * * * * Redistribution and use in source and binary forms, with or without * * modification, are permitted provided that the following conditions are * * met: Redistributions of source code must retain the above copyright * * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * * this list of conditions and the following disclaimer in the documentation * * and/or other materials provided with the distribution. * * Neither the name of the University of Manchester nor the names of its * * contributors may be used to endorse or promote products derived from this * * software without specific prior written permission. * * * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * \****************************************************************************/ public class Main { public static int divideAndRoundUp(long dividend, int divisor) { if ((dividend % (long) divisor) == 0) return (int) (dividend / (long) divisor); return (int) (dividend / (long) divisor + 1); }//from w w w . j av a 2 s . c om }