Square pattern

Input
3   <--- input cases
*
6
$
5
#
4

Output:

******
*     *
*     *
*     *
*     *
******

$$$$$
$      $
$      $
$      $
$$$$$

####
#    #
#    #
####

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

import java.util.*; public class squarepattern { public static void main(String[] args) { Scanner scan = new Scanner (System.in); String lineSeparator = System.getProperty("line.separator"); scan.useDelimiter(lineSeparator); int N = 0; System.out.println("Enter number of test cases : "); N = scan.nextInt(); String[] huruf = new String[5]; int[] num = new int[5]; for (int x=0;x<N;x++){ huruf[x] = scan.next(); num[x]=scan.nextInt();} for (int x=0;x<N;x++){ if (num[x] == 1) System.out.print(huruf[x]); System.out.println(); if (num[x] == 2){ for (int row =0;row<num[x];row++){ for (int col=0;col<num[x];col++){ System.out.print(huruf[x]);} System.out.println(); } } if (num[x] > 2){ for (int row=0;row<num[x];row++){ for (int col=0;col<num[x];col++){ if ((row==0) || (row == num[x]-1)) System.out.print(huruf[x]); else{ if ((col==0) || (col==num[x]-1)) System.out.print(huruf[x]); else System.out.print(" "); } } System.out.println(); } } } }//close main }//close class