Java List Null Empty isNotEmpty(List list)

Description

checks whether a list contains at least one entry

License

Apache License

Parameter

Parameter	Description
list	the list to check

Return

true if the list is not null and not empty

Declaration

public static <T> boolean isNotEmpty(List<T> list) 

Method Source Code

//package com.java2s;
/*/*from w w w.j av a2s. c  o m*/
 * Copyright 2012 - 2016 Manuel Laggner
 *
 * 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.util.List;

public class Main {
    /**
     * checks whether a list contains at least one entry
     *
     * @param list
     *          the list to check
     * @return true if the list is not null and not empty
     */
    public static <T> boolean isNotEmpty(List<T> list) {
        return list != null && !list.isEmpty();
    }

    /**
     * checks whether a list is null or empty
     * 
     * @param list
     *          the list to check
     * @return true if the list is null or empty
     */
    public static <T> boolean isEmpty(List<T> list) {
        return list == null || list.isEmpty();
    }
}

Related

1. isNotEmpty(List input)
2. isNotEmpty(List list)
3. isNotEmpty(List value)
4. isNotEmpty(List list)
5. isNotEmpty(List list)
6. isNotEmpty(List objList)
7. isNotNullAndEmpty(List list)
8. isNotNullAndNotEmpty(List list)
9. isNull(List list)