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fix code

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This commit is contained in:
Looly 2024-01-22 09:31:58 +08:00
parent 1bab38f2bf
commit e78f65d842
1 changed files with 9 additions and 9 deletions
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18
hutool-core/src/main/java/org/dromara/hutool/core/math/NumberUtil.java
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@ -1573,14 +1573,14 @@ public class NumberUtil extends NumberValidator {
* @since 6.0.0 * @since 6.0.0
* @author dazer * @author dazer
*/ */
public static String intToRoman(int num) { public static String intToRoman(final int num) {
if (num > 3999 || num < 1 ){ if (num > 3999 || num < 1 ){
return ""; return StrUtil.EMPTY;
} }
String[] thousands = {"", "M", "MM", "MMM"}; final String[] thousands = {"", "M", "MM", "MMM"};
String[] hundreds = {"", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM"}; final String[] hundreds = {"", "C", "CC", "CCC", "CD", "D", "DC", "DCC", "DCCC", "CM"};
String[] tens = {"", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC"}; final String[] tens = {"", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC"};
String[] ones = {"", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"}; final String[] ones = {"", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX"};
return thousands[num / 1000] + return thousands[num / 1000] +
hundreds[(num % 1000) / 100] + hundreds[(num % 1000) / 100] +
@ -1596,13 +1596,13 @@ public class NumberUtil extends NumberValidator {
* @since 6.0.0 * @since 6.0.0
* @author dazer * @author dazer
*/ */
public static int romanToInt(String roman) { public static int romanToInt(final String roman) {
int result = 0; int result = 0;
int prevValue = 0; int prevValue = 0;
int currValue = 0; int currValue;
for (int i = roman.length() - 1; i >= 0; i--) { for (int i = roman.length() - 1; i >= 0; i--) {
char c = roman.charAt(i); final char c = roman.charAt(i);
switch (c) { switch (c) {
case 'I': case 'I':
currValue = 1; currValue = 1;