Java List to Int List listToIntArray(List list)

Description

Take a list of number objects and return an int[] array

License

Educational Community License

Parameter

Parameter	Description
list	any list of Number

Return

an array of int

Declaration

public static int[] listToIntArray(List<Number> list) 

Method Source Code

//package com.java2s;
/**// ww w  . j  a  v  a 2s  .  c om
 * Copyright 2005 Sakai Foundation Licensed under the
 * Educational Community 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.osedu.org/licenses/ECL-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 {
    /**
     * Take a list of number objects and return an int[] array
     * @param list any list of {@link Number}
     * @return an array of int
     */
    public static int[] listToIntArray(List<Number> list) {
        int[] newArray = new int[list.size()];
        for (int i = 0; i < list.size(); i++) {
            newArray[i] = list.get(i).intValue();
        }
        return newArray;
    }
}

Related

1. listToInString(List list)
2. listToIntArray(final List ints)
3. listToIntArray(List l)
4. listToIntegerArray(List list)
5. toIntArray(final List numbers)
6. toIntArray(final List list)
7. toIntArray(final List list)