| author | Jaroslav Tulach <jtulach@netbeans.org> |
| Sat, 14 Jun 2008 09:51:05 +0200 | |
| changeset 20 | afae7be94b25 |
| parent 17 | af005434d27f |
| child 23 | e043859ed1ca |
| permissions | -rw-r--r-- |
1 package api;
3 /** Class to simplify arithmetical operations, improved version to compute
4 * the sum for ranges.
5 *
6 * @author Jaroslav Tulach <jtulach@netbeans.org>
7 * @version 2.0
8 */
9 public class Arithmetica {
10 public int sumTwo(int one, int second) {
11 return one + second;
12 }
14 public int sumAll(int... numbers) {
15 int sum = numbers[0];
16 for (int i = 1; i < numbers.length; i++) {
17 sum = sumTwo(sum, numbers[i]);
18 }
19 return sum;
20 }
22 public int sumRange(int from, int to) {
23 return (from + to) * (to - from + 1) / 2;
24 }
25 }