Here you can find the source of toDayOfWeekInMonth(Calendar c, int dayOfWeek, int weekInMonth)
private static void toDayOfWeekInMonth(Calendar c, int dayOfWeek, int weekInMonth)
//package com.java2s; /*/*from w w w. j a v a2 s . c om*/ * #%L * Alfresco Repository * %% * Copyright (C) 2005 - 2016 Alfresco Software Limited * %% * This file is part of the Alfresco software. * If the software was purchased under a paid Alfresco license, the terms of * the paid license agreement will prevail. Otherwise, the software is * provided under the following open source license terms: * * Alfresco is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Alfresco 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with Alfresco. If not, see <http://www.gnu.org/licenses/>. * #L% */ import java.util.*; public class Main { /** * Takes you to eg the 2nd Thursday in the month, which may * involve going back before the current date */ private static void toDayOfWeekInMonth(Calendar c, int dayOfWeek, int weekInMonth) { //set it to the first day c.set(Calendar.DATE, 1); //move to the day we need c.set(Calendar.DAY_OF_WEEK, dayOfWeek); //and then to the month c.set(Calendar.DAY_OF_WEEK_IN_MONTH, weekInMonth); } }