Java tutorial
//package com.java2s; /* * Copyright 2014-2016 OpenEstate.org. * * 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.SimpleDateFormat; import java.util.Calendar; public class Main { /** * Write a {@link Calendar} value into XML output. * * @param value * value to write * * @return * XML string * * @throws IllegalArgumentException * if a validation error occured */ public static String printDate(Calendar value) { //return (value!=null)? DatatypeConverter.printDate( value ): null; if (value == null) return null; DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd"); return formatter.format(value.getTime()); } }