package api;

/** Class to simplify arithmetical operations.

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

public class Arithmetica {

    public int sumTwo(int one, int second) {

        return one + second;

    }

    public int sumAll(int... numbers) {

        int sum = numbers[0];

        for (int i = 1; i < numbers.length; i++) {

            sum = sumTwo(sum, numbers[i]);

        }

        return sum;

    }

    public int sumRange(int from, int to) {

        int len = to - from;

        int[] array = new int[len + 1];

        for (int i = 0; i <= len; i++) {

            array[i] = from + i;

        }

        return sumAll(array);

    }

}