用常量乘数组

//package com.nowjava;// 来 自 n o w j a v a . c o m - 时代Java


public class Main {



    public static double[] multiplyArrayByConst(double[] array,

            double constant) {

        double[] arr_copy = array.clone();


        for (int i = 0; i < array.length; i++) {

            arr_copy[i] = (double) arr_copy[i] * constant;

        }

        return arr_copy;

    }

}