Segiempat Lubang

/*

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*/


import java.util.Scanner;
public class segiempat
{
    public static void main (String[]args)
    {
        Scanner scan = new Scanner (System.in);
        int n;
        System.out.print("Masukkan Angka Batas : ");
        n= scan.nextInt();
        if (n > 2)
        {

            for (int i=0; i < n; i++)
            {
                for (int j=0; j < n; j++)
                {
                    if ((i==0) || (i==n-1) || (j==0) || (j==n-1))
                    {
                        System.out.print("*");
                    }
                    else
                    {
                        if (n%2==1)
                        {
                            {
                                System.out.print(" ");
                            }
                            }
                        else
                        {
                            System.out.print(" ");
                        }
                    }
                }
                System.out.println();
            }
        }
    }
}