Java tutorial
//package com.java2s; /* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.Calendar; import java.util.Date; import javax.xml.bind.DatatypeConverter; public class Main { public static String getDateTimeString(Date dateTime) { Calendar cal = Calendar.getInstance(); if (dateTime != null) { cal.setTime(dateTime); } return DatatypeConverter.printDateTime(cal); } public static String getDateTimeString() { return getDateTimeString(new Date()); } }