Write a program to print square grid pattern !!

// Method-I:

1. /**
2.  * 
3.  * @author ishaan_sharma
4.  *
5.  */
6. public class PrintGridPatternAlgorithm {
7. public static void main(String[] args) {
8. printPatten(10);
9. }
10. 
    
11. /**
12.  * n accepts as an input argument to print rows and columns
13.  * @param n
14.  */
15. public static void printPatten(int n) {
16. for (int i = 0; i < n; i++) {
17. for (int j = n; j > 0; j--) {
18. System.out.print("* ");
19. }
20. System.out.println();
21. }
22. }
23. }

Output: 

* * * * * * * * * * 

* * * * * * * * * * 

* * * * * * * * * * 

* * * * * * * * * * 

* * * * * * * * * * 

* * * * * * * * * * 

* * * * * * * * * * 

* * * * * * * * * * 

* * * * * * * * * * 

* * * * * * * * * * 

// Method-II:

1. /**
2.  * 
3.  * @author ishaan_sharma
4.  *
5.  */
6. public class PrintPatternBy2DArrayAlgorithm {
7. 
   
8. public static void main(String[] args) {
9. int a[][] = new int[10][10];
10. printPattern(a);
11. }
12. 
    
13. /**
14.  * a takes 2D array value
15.  * @param a
16.  */
17. public static void printPattern(int a[][]) {
18. for (int i = 0; i < 10; i++) {
19. for (int j = 0; j < 10; j++) {
20. System.out.print(a[i][j] + " ");
21. }
22. System.out.println();
23. }
24. }
25. }

Output: 

0 0 0 0 0 0 0 0 0 0 

0 0 0 0 0 0 0 0 0 0 

0 0 0 0 0 0 0 0 0 0 

0 0 0 0 0 0 0 0 0 0 

0 0 0 0 0 0 0 0 0 0 

0 0 0 0 0 0 0 0 0 0 

0 0 0 0 0 0 0 0 0 0 

0 0 0 0 0 0 0 0 0 0 

0 0 0 0 0 0 0 0 0 0 

0 0 0 0 0 0 0 0 0 0