Java BigDecimal Max maxValue(BigDecimal[] bigDecimalNumbers)

Description

max Value

License

Open Source License

Declaration

private static BigDecimal maxValue(BigDecimal[] bigDecimalNumbers) 

Method Source Code

//package com.java2s;
/*//  w  ww  .j  av  a2s .  c  om
 Copyright 2008-2010 Gephi
 Authors : Eduardo Ramos <eduramiba@gmail.com>
 Website : http://www.gephi.org

 This file is part of Gephi.

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 */

import java.math.BigDecimal;

import java.util.Arrays;
import java.util.Collection;

public class Main {
    /**
     * <p>Get the maximum value of an array of Number elements as a BigDecimal.</p>
     * <p>The elements can't be null.</p>
     * <p>The elements don't need to be sorted.</p>
     * @param numbers Numbers to get max
     * @return Maximum value as a BigDecimal
     */
    public static BigDecimal maxValue(Number[] numbers) {
        if (numbers == null || numbers.length == 0) {
            return null;
        }

        BigDecimal[] bigDecimalNumbers = numbersArrayToSortedBigDecimalArray(numbers);
        return bigDecimalNumbers[bigDecimalNumbers.length - 1];
    }

    /**
     * <p>Get the maximum value of a collection of Number elements as a BigDecimal.</p>
     * <p>The elements can't be null.</p>
     * <p>The elements don't need to be sorted.</p>
     * @param numbers Numbers to get max
     * @return Maximum value as a BigDecimal
     */
    public static BigDecimal maxValue(Collection<Number> numbers) {
        return maxValue(numbers.toArray(new Number[0]));
    }

    private static BigDecimal maxValue(BigDecimal[] bigDecimalNumbers) {
        return bigDecimalNumbers[bigDecimalNumbers.length - 1];
    }

    /**
     * <p>Takes an array of numbers of any type combination and returns
     * an array with their BigDecimal equivalent numbers.</p>
     * @return BigDecimal array
     */
    public static BigDecimal[] numbersArrayToSortedBigDecimalArray(
            Number[] numbers) {
        if (numbers == null) {
            return null;
        }
        BigDecimal[] result = new BigDecimal[numbers.length];
        Number number;
        for (int i = 0; i < result.length; i++) {
            number = numbers[i];
            if (number != null) {
                result[i] = new BigDecimal(number.toString());
            }
        }
        Arrays.sort(result);
        return result;
    }
}

Related

1. max(List numbers)
2. maximum(BigDecimal... decimals)
3. maximum(BigDecimal... values)
4. maxUsingFirstSignum(final BigDecimal... values)
5. maxValue(BigDecimal origen, BigDecimal montoMaximo)