Here you can find the source of getMonthLastDay()
public static String getMonthLastDay()
//package com.java2s; /**/*www . j a v a 2s . c o m*/ * Copyright (c) 2011, Eryptogram.java TAIHEIOT and/or its affiliates. All rights reserved. * * Licensed under the TAIHEIOT License, Version 1.0 (the "License"); * you may not use this file except in compliance with the License. * 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.text.SimpleDateFormat; import java.util.Calendar; public class Main { public static String getMonthLastDay() { Calendar calendar = Calendar.getInstance(); calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH)); return formatDateY_M_D(calendar.getTime()); } public static String formatDateY_M_D(java.util.Date date) { SimpleDateFormat dateFomater; String result = ""; if (date != null) { try { dateFomater = new SimpleDateFormat("yyyy-MM-dd"); result = dateFomater.format(date); } catch (Exception ex) { ex.printStackTrace(); } } return result; } public static String getTime(java.util.Date date) { return formatDateHMS(date); } public static String formatDateHMS(java.util.Date date) { String result = ""; if (date != null) { try { SimpleDateFormat dateFormater = new SimpleDateFormat("HH:mm:ss"); result = dateFormater.format(date); } catch (Exception ex) { ex.printStackTrace(); } } return result; } }