Java List Remove Null Value removeNulls(final List list)

Description

Removes all null elements from list.

License

Open Source License

Parameter

Parameter	Description
list	list to refactor
T	list type

Return

refactored list

Declaration

public static <T> List<T> removeNulls(final List<T> list) 

Method Source Code

//package com.java2s;
/*//from w w w .j  ava  2  s. c o  m
 * This file is part of WebLookAndFeel library.
 *
 * WebLookAndFeel library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * WebLookAndFeel library 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with WebLookAndFeel library.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.*;

public class Main {
    /**
     * Removes all null elements from list.
     *
     * @param list list to refactor
     * @param <T>  list type
     * @return refactored list
     */
    public static <T> List<T> removeNulls(final List<T> list) {
        if (list == null) {
            return null;
        }
        for (int i = list.size() - 1; i >= 0; i--) {
            if (list.get(i) == null) {
                list.remove(i);
            }
        }
        return list;
    }
}

Related

1. removeNullAndDuplicates(List list)
2. removeNullElement(List source)
3. removeNullElements(List list)
4. removeNullFromList(List list)
5. removeNulls(Collection list)
6. removeNulls(List values)
7. removeNulls(List list)
8. removeNulls(List values)
9. removeNullValues(List targetValues, List> argumentValues)