Here you can find the source of toDate(String s, String format)
public static Date toDate(String s, String format)
//package com.java2s; /**/* w ww . ja v a 2s . c om*/ * Copyright (C) 2014 DevPlanter Inc. * * 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.text.DateFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; public class Main { public static Date toDate(String s, String format) { if (isEmpty(s)) { return null; } DateFormat df = new SimpleDateFormat(format); try { return df.parse(s); } catch (ParseException e) { e.printStackTrace(); } return null; } public static boolean isEmpty(String s) { if (s == null) { return true; } return s.trim().length() == 0; } }