تحديات برمجيةالتحدي الخامس - حل التمرين الثاني بلغة جافا

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner input = new Scanner(System.in);
        
        int[][] matrix = {
            {5, 2, 3},
            {4, 5, 6},
            {5, 8, 9}
        };
        
        int found = 0;
        int x;
        
        System.out.print("Enter a number: ");
        x = input.nextInt();
        
        for (int i = 0; i < matrix.length; i++)
        {
            for (int j = 0; j < matrix[i].length; j++)
            {
                if (x == matrix[i][j])
                {
                    found++;
                }
            }
        }
        
        if (found == 0)
        {
            System.out.println("'" + x + "' is not found");
        }
        else
        {
            System.out.println("'" + x + "' is found " + found + " time(s)");
        }

    }

}