fix: Apply clang-format to SudokuSolver.java

- Format array on single line
- Remove trailing whitespace
- Add newline at end of file

Author: harsha08-2k6

src/main/java/com/thealgorithms/backtracking/SudokuSolver.java

@@ -3,7 +3,7 @@
 /**
  * Sudoku Solver using Backtracking algorithm
  * Solves a 9x9 Sudoku puzzle using depth-first search with backtracking
- * 
+  *
  * @author Your Name
  */
 public final class SudokuSolver {
@@ -114,17 +114,7 @@ private static void printBoard(int[][] board) {
      * @param args command line arguments (not used)
      */
     public static void main(String[] args) {
-        int[][] board = {
-            {5, 3, 0, 0, 7, 0, 0, 0, 0},
-            {6, 0, 0, 1, 9, 5, 0, 0, 0},
-            {0, 9, 8, 0, 0, 0, 0, 6, 0},
-            {8, 0, 0, 0, 6, 0, 0, 0, 3},
-            {4, 0, 0, 8, 0, 3, 0, 0, 1},
-            {7, 0, 0, 0, 2, 0, 0, 0, 6},
-            {0, 6, 0, 0, 0, 0, 2, 8, 0},
-            {0, 0, 0, 4, 1, 9, 0, 0, 5},
-            {0, 0, 0, 0, 8, 0, 0, 7, 9}
-        };
+int[][] board = {{5, 3, 0, 0, 7, 0, 0, 0, 0}, {6, 0, 0, 1, 9, 5, 0, 0, 0}, {0, 9, 8, 0, 0, 0, 0, 6, 0}, {8, 0, 0, 0, 6, 0, 0, 0, 3}, {4, 0, 0, 8, 0, 3, 0, 0, 1}, {7, 0, 0, 0, 2, 0, 0, 0, 6}, {0, 6, 0, 0, 0, 0, 2, 8, 0}, {0, 0, 0, 4, 1, 9, 0, 0, 5}, {0, 0, 0, 0, 8, 0, 0, 7, 9}};
 
         System.out.println("Sudoku Puzzle:");
         printBoard(board);
@@ -135,5 +125,6 @@ public static void main(String[] args) {
         } else {
             System.out.println("\nNo solution exists for this Sudoku puzzle.");
         }
+        
     }
-}
+}