Here you can find the source of addCalendarQuarterOfYear(Calendar cal, int quartersOfYear)
public static void addCalendarQuarterOfYear(Calendar cal, int quartersOfYear)
//package com.java2s; /*//from w ww . jav a2 s . c o m * Copyright 2014-2015 the original author or authors. * * 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. */ import java.util.Calendar; public class Main { public static void addCalendarQuarterOfYear(Calendar cal, int quartersOfYear) { addCalendarMonth(cal, quartersOfYear * 3); } public static void addCalendarMonth(Calendar cal, int months) { cal.add(Calendar.MONTH, months); } }