Method to return the index of the max element in an array - Java Collection Framework

Java examples for Collection Framework:Array Search

  1. HOME
  2. Java
  3. Collection Framework
  4. Array Search

Description

Method to return the index of the max element in an array

Demo Code

/* The MIT License (MIT)
 * //  ww  w  . j  av a  2 s.co  m
 * Copyright (c) 2015 Tinotenda Chemvura
 * 
 * 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.
 */
//package com.java2s;

public class Main {
    /**
     * Method to return the index of the max element in an array
     * 
     * @param arr
     *            Array to be processed
     * @return Index of the max element
     */
    public static int maxIndex(double[] arr) {
        int index = 0;
        double max = arr[0];
        for (int i = 0; i < arr.length; i++) {
            if (arr[i] > max) {
                max = arr[i];
                index = i;
            }
        }
        return index;
    }
}

Related Tutorials