Here you can find the source of isEmpty(final Collection
| Parameter | Description |
|---|---|
| T | type of data |
| source | collection to be checked for emptiness. |
public static <T> boolean isEmpty(final Collection<T> source)
//package com.java2s; /********************************************************************************* * Ephesoft is a Intelligent Document Capture and Mailroom Automation program * developed by Ephesoft, Inc. Copyright (C) 2015 Ephesoft Inc. * * This program is free software; you can redistribute it and/or modify it under * the terms of the GNU Affero General Public License version 3 as published by the * Free Software Foundation with the addition of the following permission added * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK * IN WHICH THE COPYRIGHT IS OWNED BY EPHESOFT, EPHESOFT DISCLAIMS THE WARRANTY * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS. * * 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 Affero General Public License for more * details. /*from w w w . j a va 2s .c o m*/ * * You should have received a copy of the GNU Affero General Public License along with * this program; if not, see http://www.gnu.org/licenses or write to the Free * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301 USA. * * You can contact Ephesoft, Inc. headquarters at 111 Academy Way, * Irvine, CA 92617, USA. or at email address info@ephesoft.com. * * The interactive user interfaces in modified source and object code versions * of this program must display Appropriate Legal Notices, as required under * Section 5 of the GNU Affero General Public License version 3. * * In accordance with Section 7(b) of the GNU Affero General Public License version 3, * these Appropriate Legal Notices must retain the display of the "Ephesoft" logo. * If the display of the logo is not reasonably feasible for * technical reasons, the Appropriate Legal Notices must display the words * "Powered by Ephesoft". ********************************************************************************/ import java.util.Collection; import java.util.Map; public class Main { /** * Checks whether the passed collection is NULL or is empty. * * @param <T> type of data * @param source collection to be checked for emptiness. * @return true if passed collection is empty otherwise false. */ public static <T> boolean isEmpty(final Collection<T> source) { boolean isEmpty = false; isEmpty = (null == source || source.isEmpty()); return isEmpty; } public static boolean isEmpty(Map<?, ?> map) { return (map == null || map.isEmpty()) ? true : false; } }