Java List Value Add add(List list, int index, Object element)

Description

Adds a object to a list and extends the list by null values if the index is greater than the size.

License

Apache License

Parameter

Parameter	Description
list	Any list object
index	The index position within the list
element	The element to add

Declaration

public static void add(List list, int index, Object element) 

Method Source Code

//package com.java2s;
/*/*w  ww  . j a va 2 s .c om*/
 *   Copyright 2007 skynamics AG
 *
 *   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 {
    /**
     * Adds a object to a list and extends the list by null values
     * if the index is greater than the size.
     *
     * @param list Any list object
     * @param index The index position within the list
     * @param element The element to add
     */
    public static void add(List list, int index, Object element) {
        int size = list.size();

        if (index < size) {
            list.add(index, element);
            return;
        }

        for (int i = size; i < index; i++) {
            list.add(null);
        }

        list.add(element);
    }
}

Related

1. add(final Integer id, final TreeMap> map, T object)
2. add(final List list, final T... objects)
3. add(final List toList, final List fromList)
4. add(List valList, Object src)
5. add(List list, E element)
6. add(List result, ClassLoader loader)
7. add(List list, E element)