Here you can find the source of convertDate2Str(java.util.Date date, String format, String defaultValue)
public static String convertDate2Str(java.util.Date date, String format, String defaultValue)
//package com.java2s; /**//from w w w . j a va2 s . c om * Copyright (C) 2017 Lucifer Wong * * 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.SimpleDateFormat; public class Main { public static String convertDate2Str(java.util.Date date, String defaultValue) { return convertDate2Str(date, "yyyy-MM-dd HH:mm:ss", defaultValue); } public static String convertDate2Str(java.util.Date date, String format, String defaultValue) { SimpleDateFormat sdf = new SimpleDateFormat(format); try { defaultValue = sdf.format(date); } catch (Exception e) { } return defaultValue; } }