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This Java program solves a 9x9 Sudoku puzzle using the backtracking algorithm. The solveBoard() method recursively tries numbers in empty cells, backtracking if a number placement violates Sudoku rules, as checked by isValidPlacement(). Once solved, printBoard() displays the completed puzzle in an organized format.
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This Java program solves a 9x9 Sudoku puzzle using the backtracking algorithm. The solveBoard() method recursively tries numbers in empty cells, backtracking if a number placement violates Sudoku rules, as checked by isValidPlacement(). Once solved, printBoard() displays the completed puzzle in an organized format.