Here you can find the source of isEmpty(Collection
Parameter | Description |
---|---|
collection | The collection to check. |
static <T extends Object> boolean isEmpty(Collection<T> collection)
//package com.java2s; /*// ww w .j a va 2s .co m * Copyright (c) 2010-2012 Mark Allen. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ import java.util.Collection; public class Main { /** * Is the provided {@code collection} {@code null} or empty? * * @param collection * The collection to check. * @return {@code true} if {@code collection} is {@code null} or empty, {@code false} otherwise. */ static <T extends Object> boolean isEmpty(Collection<T> collection) { return collection == null || collection.isEmpty(); } }