Update SumOfOddNumbers.java

Author: BYT-Bender

src/main/java/com/thealgorithms/maths/SumOfOddNumbers.java

@@ -2,14 +2,12 @@
 
 /**
  * This program calculates the sum of the first n odd numbers.
- * 
+ *
  * https://www.cuemath.com/algebra/sum-of-odd-numbers/
  */
 
-public final class SumOfOddNumbers
-{
-    private SumOfOddNumbers()
-    {
+public final class SumOfOddNumbers {
+    private SumOfOddNumbers() {
     }
 
     /**
@@ -18,10 +16,8 @@ private SumOfOddNumbers()
      * @param n the number of odd numbers to sum
      * @return sum of the first n odd numbers
      */
-    public static int sumOfFirstNOddNumbers(final int n)
-    {
-        if (n < 0)
-        {
+    public static int sumOfFirstNOddNumbers(final int n) {
+        if (n < 0) {
             throw new IllegalArgumentException("n must be non-negative.");
         }
         return n * n;