Here you can find the source of getMonthOfSeason(Date date, boolean firstOrLast)
public static String getMonthOfSeason(Date date, boolean firstOrLast)
//package com.java2s; /**/*from w ww .j a v a 2 s . c o m*/ * Copyright 1996-2013 Founder International Co.,Ltd. * * 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. * * @author kenshin */ import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static String getMonthOfSeason(Date date, boolean firstOrLast) { SimpleDateFormat yearFormat = new SimpleDateFormat("yyyy"); SimpleDateFormat monthFormat = new SimpleDateFormat("MM"); String yearStr = yearFormat.format(date); String monthStr = monthFormat.format(date); int month = Integer.parseInt(monthStr); String array[][] = { { "01", "02", "03" }, { "04", "05", "06" }, { "07", "08", "09" }, { "10", "11", "12" } }; int season = 1; if (month >= 1 && month <= 3) { season = 1; } if (month >= 4 && month <= 6) { season = 2; } if (month >= 7 && month <= 9) { season = 3; } if (month >= 10 && month <= 12) { season = 4; } String start_month = array[season - 1][0]; String end_month = array[season - 1][2]; if (firstOrLast) { return yearStr + start_month; } else { return yearStr + end_month; } } }