Update ReverseNumber (TheAlgorithms#4257)

vil02 · web-flow · commit 3c80e262a70c · 2023-07-25T14:14:59.000+08:00
- removes an unused import,
- fixes the order of the of the _modifiers_ in the definition of the class `ReverseNumber`.
diff --git a/src/main/java/com/thealgorithms/maths/ReverseNumber.java b/src/main/java/com/thealgorithms/maths/ReverseNumber.java
@@ -1,11 +1,9 @@
 package com.thealgorithms.maths;
 
-import java.lang.IllegalArgumentException;
-
 /**
  * @brief utility class reversing numbers
  */
-final public class ReverseNumber {
+public final class ReverseNumber {
     private ReverseNumber() {
     }
 
