Update IntegerToRoman.java

yanglbme · web-flow · commit c188fa9187d6 · 2019-06-20T17:23:49.000+08:00
diff --git a/Conversions/IntegerToRoman.java b/Conversions/IntegerToRoman.java
@@ -1,29 +1,29 @@
 package Conversions;
 
 public class IntegerToRoman {
-	private static int[] allArabianRomanNumbers = new int[] {1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1};
-    private static String[] allRomanNumbers = new String[]  {"M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"};
-	
+    private static int[] allArabianRomanNumbers = new int[]{1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1};
+    private static String[] allRomanNumbers = new String[]{"M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"};
+
     public static String integerToRoman(int num) {
-    	if(num <= 0) {
-    		return "";
-    	}
-    	
-    	StringBuilder builder = new StringBuilder();
-    	
-    	for(int a = 0;a < allArabianRomanNumbers.length;a++) {
-    		int times = num / allArabianRomanNumbers[a];
-    		for(int b = 0;b < times;b++) {
-    			builder.append(allRomanNumbers[a]);
-    		}
-    		
-    		num -= times * allArabianRomanNumbers[a];
-    	}
-    	
-    	return builder.toString();
+        if (num <= 0) {
+            return "";
+        }
+
+        StringBuilder builder = new StringBuilder();
+
+        for (int a = 0; a < allArabianRomanNumbers.length; a++) {
+            int times = num / allArabianRomanNumbers[a];
+            for (int b = 0; b < times; b++) {
+                builder.append(allRomanNumbers[a]);
+            }
+
+            num -= times * allArabianRomanNumbers[a];
+        }
+
+        return builder.toString();
     }
-    
+
     public static void main(String[] args) {
-		System.out.println(IntegerToRoman.integerToRoman(2131));
-	}
+        System.out.println(IntegerToRoman.integerToRoman(2131));
+    }
 }
