Fix formatting issue

Author: justanothercoder-hub

src/main/java/com/thealgorithms/recursion/TowerOfHanoi.java

@@ -35,10 +35,10 @@ private TowerOfHanoi() {
      * @return list of moves as strings
      */
     public static List<String> solveTowerOfHanoi(int n, char source, char destination, char auxiliary) {
+        List<String> moves = new ArrayList<>();
         if (n < 0) {
             throw new IllegalArgumentException("Number of disks cannot be negative");
         }
-        List<String> moves = new ArrayList<>();
         moveDisks(n, source, destination, auxiliary, moves);
         return moves;
     }
@@ -61,4 +61,4 @@ private static void moveDisks(int n, char source, char destination, char auxilia
         moves.add("Move disk " + n + " from rod " + source + " to rod " + destination);
         moveDisks(n - 1, auxiliary, destination, source, moves);
     }
-  }
+}

src/test/java/com/thealgorithms/recursion/TowerOfHanoiTest.java

@@ -20,11 +20,7 @@ public void testBaseCase() {
     public void testSmallRecursion() {
         List<String> result = TowerOfHanoi.solveTowerOfHanoi(2, 'A', 'C', 'B');
         assertEquals(3, result.size());
-        List<String> expected = Arrays.asList(
-            "Move disk 1 from rod A to rod B",
-            "Move disk 2 from rod A to rod C",
-            "Move disk 1 from rod B to rod C"
-        );
+        List<String> expected = Arrays.asList("Move disk 1 from rod A to rod B", "Move disk 2 from rod A to rod C", "Move disk 1 from rod B to rod C");
         assertEquals(expected, result, "Sequence of moves for 2 disks is incorrect");
     }
 
@@ -38,6 +34,6 @@ public void testStandardCase() {
 
     @Test
     public void testNegativeInput() {
-        assertThrows(IllegalArgumentException.class, () -> TowerOfHanoi.solveTowerOfHanoi(-5, 'A', 'C', 'B'), "Should throw exception for negative disks");
+        assertThrows(IllegalArgumentException.class, () -> { TowerOfHanoi.solveTowerOfHanoi(-5, 'A', 'C', 'B'); }, "Should throw exception for negative disks");
     }
 }