06. Print Diagonals of Square Matrix

package Lekciq;

import java.util.Scanner;

public class PrintDiagonalsOfSquareMatrix {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);


        int size = Integer.parseInt(scanner.nextLine());

        int[][] matrix = new int[size][size];

        for (int row = 0; row < size; row++) {
            String[] line = scanner.nextLine().split("\\s+");
            for (int col = 0; col < size; col++) {
                matrix[row][col] = Integer.parseInt(line[col]);
            }
        }

        printDiagonals(matrix);
    }

    private static void printDiagonals(int[][] matrix) {
        int size = matrix.length;

        // Print first diagonal
        for (int i = 0; i < size; i++) {
            System.out.print(matrix[i][i] + " ");
        }
        System.out.println();

        // Print second diagonal
        for (int i = 0; i < size; i++) {
            System.out.print(matrix[size - 1 - i][i] + " ");
        }
    }
}