Java Array Min Value maxMinValues(int[] array)

Description

Returns the maximum/minimum values of an input array.

License

Open Source License

Parameter

Parameter	Description
array	Input array

Return

Maximum/minimum values

Declaration

public static int[] maxMinValues(int[] array) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2016 Pablo Pavon-Marino.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v2.1
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 *
 * Contributors://ww  w. j  a v  a 2  s .co  m
 *     Pablo Pavon-Marino - Jose-Luis Izquierdo-Zaragoza, up to version 0.3.1
 *     Pablo Pavon-Marino - from version 0.4.0 onwards
 ******************************************************************************/

import java.util.*;

public class Main {
    /**
     * Returns the maximum/minimum values of an input collection.
     *
     * @param collection Input collection
     * @return Maximum/minimum values
     */
    public static int[] maxMinValues(Collection<Integer> collection) {
        if (collection.isEmpty())
            throw new NoSuchElementException("Empty collection");

        int maxValue = Integer.MIN_VALUE;
        int minValue = Integer.MAX_VALUE;
        for (int value : collection) {
            if (value > maxValue)
                maxValue = value;
            if (value < minValue)
                minValue = value;
        }

        return arrayOf(maxValue, minValue);
    }

    /**
     * Returns the maximum/minimum values of an input array.
     *
     * @param <A> the map key type
     * @param map Input map
     * @return Maximum/minimum values
     */
    public static <A> int[] maxMinValues(Map<A, Integer> map) {
        return maxMinValues(map.values());
    }

    /**
     * Returns the maximum/minimum values of an input array.
     *
     * @param array Input array
     * @return Maximum/minimum values
     */
    public static int[] maxMinValues(int[] array) {
        if (array.length == 0) {
            throw new NoSuchElementException("Empty array");
        }

        int maxValue = array[0];
        int minValue = array[0];
        for (int i = 1; i < array.length; i++) {
            if (array[i] > maxValue)
                maxValue = array[i];

            if (array[i] < minValue)
                minValue = array[i];
        }

        return arrayOf(maxValue, minValue);
    }

    /**
     * Generates an {@code int[]} from comma-separated values.
     *
     * @param values Comma-separated {@code int} values
     * @return {@code int[]}
     */
    public static int[] arrayOf(int... values) {
        return values;
    }
}

Related

1. findMinAndMax(double[] array)
2. findMinAndMax(float[] buffer, int pixelStride, int numBands)
3. findMinDiff(double[] values)
4. findMinIndex(double[] arr, int offset, int length)
5. maxLength(T[] array)
6. maxMinValues(long[] array)
7. maxValue(long[] array)
8. min(byte[] arr)
9. min(byte[] array)