Here you can find the source of checkDate(String deadline)
public static boolean checkDate(String deadline)
//package com.java2s; /**/*from www. ja v a 2 s .c o m*/ * Copyright (C) 2009 BonitaSoft S.A. * BonitaSoft, 31 rue Gustave Eiffel - 38000 Grenoble * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2.0 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.text.ParseException; import java.text.SimpleDateFormat; public class Main { private static String DISPLAY_DATE_FORMAT = "yyyy/MM/dd HH:mm:ss"; public static boolean checkDate(String deadline) { SimpleDateFormat sdf; sdf = new SimpleDateFormat(DISPLAY_DATE_FORMAT, java.util.Locale.US); sdf.setLenient(false); try { sdf.parse(deadline); } catch (ParseException e) { return false; } return true; } }