Here you can find the source of getTheLastDayOfTheMonth(int year, int month)
public static Calendar getTheLastDayOfTheMonth(int year, int month)
//package com.java2s; /*// w w w . jav a 2 s. co m * Copyright (c) 2015 Power Group. * 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.*; public class Main { public static Calendar getTheLastDayOfTheMonth(int year, int month) { Calendar cal = new GregorianCalendar(); cal.set(year, month, 1); return new GregorianCalendar(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH) - 1); } }