Fix

Author: Hardvan

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

@@ -101,7 +101,7 @@ public static boolean solveCrossword(char[][] puzzle, List<String> words) {
             for (int col = 0; col < puzzle[0].length; col++) {
                 if (puzzle[row][col] == ' ') {
                     for (String word : new ArrayList<>(remainingWords)) {
-                        for (boolean vertical : new boolean[]{true, false}) {
+                        for (boolean vertical : new boolean[] {true, false}) {
                             if (isValid(puzzle, word, row, col, vertical)) {
                                 placeWord(puzzle, word, row, col, vertical);
                                 remainingWords.remove(word);

src/test/java/com/thealgorithms/backtracking/CrosswordSolverTest.java

@@ -12,23 +12,15 @@ public class CrosswordSolverTest {
 
     @Test
     public void testValidPlacement() {
-        char[][] puzzle = {
-                { ' ', ' ', ' ' },
-                { ' ', ' ', ' ' },
-                { ' ', ' ', ' ' }
-        };
+         char[][] puzzle = {{' ', ' ', ' '}, {' ', ' ', ' '}, {' ', ' ', ' '}};
         assertTrue(CrosswordSolver.isValid(puzzle, "cat", 0, 0, true));
         assertTrue(CrosswordSolver.isValid(puzzle, "dog", 0, 0, false));
         assertFalse(CrosswordSolver.isValid(puzzle, "cat", 1, 2, false));
     }
 
     @Test
     public void testPlaceAndRemoveWord() {
-        char[][] puzzle = {
-                { ' ', ' ', ' ' },
-                { ' ', ' ', ' ' },
-                { ' ', ' ', ' ' }
-        };
+         char[][] puzzle = {{' ', ' ', ' '}, {' ', ' ', ' '}, {' ', ' ', ' '}};
         CrosswordSolver.placeWord(puzzle, "cat", 0, 0, true);
         assertEquals('c', puzzle[0][0]);
         assertEquals('a', puzzle[1][0]);
@@ -42,11 +34,7 @@ public void testPlaceAndRemoveWord() {
 
     @Test
     public void testSolveCrossword() {
-        char[][] puzzle = {
-                { ' ', ' ', ' ' },
-                { ' ', ' ', ' ' },
-                { ' ', ' ', ' ' }
-        };
+         char[][] puzzle = {{' ', ' ', ' '}, {' ', ' ', ' '}, {' ', ' ', ' '}};
         List<String> words = Arrays.asList("cat", "dog", "car");
         assertTrue(CrosswordSolver.solveCrossword(puzzle, words));
 
@@ -71,11 +59,7 @@ public void testSolveCrossword() {
 
     @Test
     public void testNoSolution() {
-        char[][] puzzle = {
-                { ' ', ' ', ' ' },
-                { ' ', ' ', ' ' },
-                { ' ', ' ', ' ' }
-        };
+         char[][] puzzle = {{' ', ' ', ' '}, {' ', ' ', ' '}, {' ', ' ', ' '}};
         List<String> words = Arrays.asList("cat", "dog", "elephant"); // 'elephant' is too long for the grid
         assertFalse(CrosswordSolver.solveCrossword(puzzle, words));
     }