Java List IndexOf indexOfMax(List list)

Description

Finds the first index of a maximal element in a list.

License

Open Source License

Parameter

Parameter	Description
list	The <code>List</code> to search.

Return

The first index of a maximal element in the list.

Declaration

public static <T extends Comparable<? super T>> int indexOfMax(List<T> list) 

Method Source Code

//package com.java2s;
/**//from   www.j a  v  a  2 s . com
 * Java Modular Image Synthesis Toolkit (JMIST)
 * Copyright (C) 2008-2013 Bradley W. Kimmel
 *
 * 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 {
    /**
     * Finds the first index of a maximal element in a list.
     * @param list The <code>List</code> to search.
     * @return The first index of a maximal element in the list.
     */
    public static <T extends Comparable<? super T>> int indexOfMax(List<T> list) {
        T min = list.get(0);
        int index = 0;
        for (int i = 0, n = list.size(); i < n; i++) {
            T value = list.get(i);
            if (value.compareTo(min) > 0) {
                min = value;
                index = i;
            }
        }
        return index;
    }
}

Related

1. indexOfIdentity(List l, T t)
2. indexOfIgnoreCase(List values, String target)
3. indexOfInstance(List list, Object object)
4. indexOfInstance(List list, Class type)
5. indexOfMax(List list)
6. indexOfMinSize(final List> sets)
7. indexOfNull(List list)
8. indexOfThatStartsWith(List list, String startsWith, int startIndex)
9. indexOfType(List list, Class type)