1.1 --- a/samples/composition/src-api2.0-property/api/Arithmetica.java Thu Feb 12 11:00:41 2009 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,54 +0,0 @@
1.4 -package api;
1.5 -
1.6 -/** Class to simplify arithmetical operations, improved version to compute
1.7 - * the sum for ranges, but only if the virtual machine is configured to
1.8 - * run in incompatible mode.
1.9 - *
1.10 - * @author Jaroslav Tulach <jtulach@netbeans.org>
1.11 - * @version 2.0
1.12 - */
1.13 -// BEGIN: design.composition.arith2.0.property
1.14 -public class Arithmetica {
1.15 - public int sumTwo(int one, int second) {
1.16 - return one + second;
1.17 - }
1.18 -
1.19 - public int sumAll(int... numbers) {
1.20 - if (numbers.length == 0) {
1.21 - return 0;
1.22 - }
1.23 - int sum = numbers[0];
1.24 - for (int i = 1; i < numbers.length; i++) {
1.25 - sum = sumTwo(sum, numbers[i]);
1.26 - }
1.27 - return sum;
1.28 - }
1.29 -
1.30 - public int sumRange(int from, int to) {
1.31 - // BEGIN: design.composition.arith2.0.property.if
1.32 - if (Boolean.getBoolean("arithmetica.v2")) {
1.33 - return sumRange2(from, to);
1.34 - } else {
1.35 - return sumRange1(from, to);
1.36 - }
1.37 - // END: design.composition.arith2.0.property.if
1.38 - }
1.39 -
1.40 - private int sumRange1(int from, int to) {
1.41 - int len = to - from;
1.42 - if (len < 0) {
1.43 - len = -len;
1.44 - from = to;
1.45 - }
1.46 - int[] array = new int[len + 1];
1.47 - for (int i = 0; i <= len; i++) {
1.48 - array[i] = from + i;
1.49 - }
1.50 - return sumAll(array);
1.51 - }
1.52 -
1.53 - private int sumRange2(int from, int to) {
1.54 - return (from + to) * (Math.abs(to - from) + 1) / 2;
1.55 - }
1.56 -}
1.57 -// END: design.composition.arith2.0.property