refactor 405

fishercoder1534 · fishercoder1534 · commit e34296d138d1 · 2019-03-07T07:11:18.000-08:00
diff --git a/src/main/java/com/fishercoder/solutions/_405.java b/src/main/java/com/fishercoder/solutions/_405.java
@@ -31,14 +31,17 @@ All letters in hexadecimal (a-f) must be in lowercase.
  */
 public class _405 {
 
-    public String toHex(int num) {
-        char[] hexChars = new char[]{'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
-        String result = "";
-        while (num != 0) {
-            result = hexChars[(num & 15)] + result;
-            num >>>= 4;
+    public static class Solution1 {
+        public String toHex(int num) {
+            char[] hexChars =
+                new char[] {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd',
+                    'e', 'f'};
+            String result = "";
+            while (num != 0) {
+                result = hexChars[(num & 15)] + result;
+                num >>>= 4;
+            }
+            return result.isEmpty() ? "0" : result;
         }
-        return result.isEmpty() ? "0" : result;
     }
-
 }
