java program to print square of stars

1. 1.  package day2;
   2. 
      
   3. import java.util.Scanner;
   4. 
      
   5. public class PrintSquareBox {
   6. 
      
   7. public static void main(String[] args) {
   8. int num = 5;
   9. for (int i = 0; i < num; i++) {
   10. System.out.print("3 ");
   11. }
   12. System.out.println();
   13. for (int j = 0; j < num - 2; j++) {
   14. 
       
   15. for (int i = 0; i < num; i++) {
   16. if (i == 0 || i == num - 1) {
   17. System.out.print("3 ");
   18. } else {
   20. System.out.print("1 ");
   21. }
   22. }
   23. System.out.println();
   24. }
   25. 
       
   26. for (int i = 0; i < num; i++) {
   27. System.out.print("3 ");
   28. }
   29. }
   30. }
   Output: