Java Collection Empty isEmpty(Collection collection)

Description

Is the provided collection null or empty?

License

Open Source License

Parameter

Parameter	Description
collection	The collection to check.

Return

true if collection is null or empty, false otherwise.

Declaration

static <T> boolean isEmpty(Collection<T> collection) 

Method Source Code

//package com.java2s;
/**//from w  w w.j av a2 s  .com
 * Copyright (c) 2010-2016 Mark Allen, Norbert Bartels.
 *
 * 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.*;

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> boolean isEmpty(Collection<T> collection) {
        return collection == null || collection.isEmpty();
    }
}

Related

1. isEmpty(Collection data)
2. isEmpty(Collection