Java tutorial
/* * Copyright (c) 2015. ?? ? * Shanghai QuYi Network Technology Co., Ltd. All Rights Reserved. * * This is NOT a freeware,use is subject to license terms. */ package badminton.common.Util; import org.apache.commons.collections4.CollectionUtils; import java.util.Collection; /** * ?. * * @author bchy * @version 1.0, 2015-04-29 * @since 1.0 */ public final class CollectionUtil { /** * ?? * * @param collection * @return true:?,false:?? */ public static boolean isEmpty(final Collection<?> collection) { return CollectionUtils.isEmpty(collection); } /** * ??? * * @param collection * @return true:?,false:?? */ public static boolean isNotEmpty(final Collection<?> collection) { return CollectionUtils.isNotEmpty(collection); } private CollectionUtil() { // left blank intentionally } }