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- class NumberFormatUtil {
-
- static String formatMoney(int number) {
- List<String> parts = [];
- String numberString = number.toString();
- while (numberString.length > 3) {
- parts.add(numberString.substring(numberString.length - 3));
- numberString = numberString.substring(0, numberString.length - 3);
- }
- parts.add(numberString);
- return parts.reversed.join(",");
- }
-
- static int compareVersionNumbers(String version1, String version2) {
- List<int> v1 = version1.split('.').map(int.parse).toList();
- List<int> v2 = version2.split('.').map(int.parse).toList();
- int minLength = v1.length < v2.length ? v1.length : v2.length;
- for (int i = 0; i < minLength; i++) {
- if (v1[i] < v2[i]) {
- return -1;
- } else if (v1[i] > v2[i]) {
- return 1;
- }
- }
- if (v1.length < v2.length) {
- return -1;
- } else if (v1.length > v2.length) {
- return 1;
- }
- return 0;
- }
- }
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