الخوارزمياتالتعامل مع المصفوفة ذات البعدين - التمرين التاسع

import java.util.Scanner;
 
public class Matrix {
 
    public static void main (String[] args) {
 
        Scanner input = new Scanner(System.in);
 
        int[][] matrix = new int[3][5];
        int x;
        boolean found = false;
 
        int i;
        int j;
 
        for (i=0; i<3; i++)
        {
            for (j=0; j<5; j++)
            {
                System.out.print("Enter matrix["+i+"]["+j+"]: ");
                matrix[i][j] = input.nextInt();
            }
            System.out.print("\n");
        }
 
        for (i=0; i<3; i++)
        {
            for (j=0; j<5; j++)
            {
                System.out.print(matrix[i][j] + "\t");
            }
            System.out.print("\n");
        }
 
        System.out.print("\nEnter any number: ");
        x = input.nextInt();
 
        i=0;
        while (i<3 && found == false)
        {
            j=0;
            while (j<5 && found == false)
            {
                if( matrix[i][j] == x )
                {
                    found = true;
                }
                j++;
            }
            i++;
        }
 
        if( found == true )
        {
            System.out.print(x + " is exist in the matrix \n");
        }
        else
        {
            System.out.print(x + " is not exist in the matrix \n");
        }
 
    }
 
}