Java tutorial
/** * 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. **/ //package com.utils; import java.util.Calendar; /** * * @author Marco Berri marcoberri@gmail.com */ public final class DateTimeUtil { /** * */ public static final String tsDefaultFormats[] = { "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd", "HH:mm:ss", "HH:mm", "yyyy-MM" }; /** * * @param month * @param year * @return */ public static final int getlastDateofThisMonth(int month, int year) { Calendar calendar = Calendar.getInstance(); if (year > -1) { calendar.set(Calendar.YEAR, year); } if (month > -1) { month--; calendar.set(Calendar.MONTH, month); } return calendar.getActualMaximum(Calendar.DATE); }// lastDateofThisMonth() }