Java List Remove remove(List list, int index)

Description

Removes the item at the given index in the given list.

License

Open Source License

Parameter

Parameter	Description
list	The list to remove the item from.
index	The index of the item to be removed.
E	The component type of the list.

Return

The item previously at the given index.

Declaration

public static <E> E remove(List<E> list, int index) 

Method Source Code

//package com.java2s;
/*//from w  w w  .j  ava2 s  .c  o m
 * The MIT License (MIT)
 *
 * Copyright (c) 2016 Lachlan Dowding
 *
 * 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.List;

public class Main {
    /**
     * Removes the item at the given index in the given list.
     *
     * @param list  The list to remove the item from.
     * @param index The index of the item to be removed.
     * @param <E>   The component type of the list.
     * @return      The item previously at the given index.
     */
    public static <E> E remove(List<E> list, int index) {
        if (list == null)
            throw new NullPointerException("list must not be null");

        // support negative/reverse indexing
        if (index < 0)
            index += list.size();

        return list.remove(index);
    }
}

Related

1. remove(List list, List elements)
2. remove(List list, Class type)
3. remove(List as, int start, int end)
4. remove(List list, E element)
5. remove(List list, E object)
6. remove(List list, int index)
7. remove(List list, int index, T defaultValue)
8. remove(List list, int position)
9. remove(List list, T remove)