49 lines
1.5 KiB
Java
49 lines
1.5 KiB
Java
import java.io.File;
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import java.io.FileNotFoundException;
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import java.util.Scanner;
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public class Main {
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public static void main(String[] args) {
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char[][] matrix = readInputs();
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for (char[] row : matrix) {
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for (char c : row) {
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System.out.print(c + " ");
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}
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System.out.println();
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}
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}
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public static char[][] readInputs() {
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char[][] matrix = new char[9][9]; // Initialize a 9x9 matrix
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try {
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File file = new File("./input.txt");
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Scanner scanner = new Scanner(file);
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int row = 0;
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while (scanner.hasNextLine() && row < 9) {
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String line = scanner.nextLine();
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if (line.length() != 9) {
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throw new IllegalArgumentException("Each line in the file must have exactly 9 characters.");
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}
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for (int col = 0; col < 9; col++) {
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matrix[row][col] = line.charAt(col);
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}
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row++;
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}
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if (row != 9) {
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throw new IllegalArgumentException("The file must contain exactly 9 lines.");
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}
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scanner.close();
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} catch (FileNotFoundException e) {
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System.out.println("File not found");
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} catch (IllegalArgumentException e) {
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System.out.println(e.getMessage());
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}
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return matrix;
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}
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}
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