Update Board.java

fawazbokhari · web-flow · commit 7fa964b13acd · 2026-01-01T17:10:08.000+05:00
diff --git a/tic_tac_toe/tictactoe/Board.java b/tic_tac_toe/tictactoe/Board.java
@@ -29,7 +29,7 @@ public Optional<Player> getWinner() {
         // Check columns for three in a column
         for (int j = 0; j < grid[0].length; j++) {
             final Player first = grid[0][j];
-            int finalJ = j; //streams require a final object
+            int finalJ = j; // local variable must be effectively final to pass to lambda
             if (first != null && Arrays.stream(grid).allMatch(row -> row[finalJ] == first)) {
                 return Optional.of(first);
             }

Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ public Optional<Player> getWinner() {`
`29`	`29`	`// Check columns for three in a column`
`30`	`30`	`for (int j = 0; j < grid[0].length; j++) {`
`31`	`31`	`final Player first = grid[0][j];`
`32`		`- int finalJ = j; //streams require a final object`
	`32`	`+ int finalJ = j; // local variable must be effectively final to pass to lambda`
`33`	`33`	`if (first != null && Arrays.stream(grid).allMatch(row -> row[finalJ] == first)) {`
`34`	`34`	`return Optional.of(first);`
`35`	`35`	`}`