Print the following X Pattern ?

import java.util.;
public class Matrix
{
static void Pattern(int n)
{
for(int i=0;i<n;i++)
{
for(int j=0;j<n;j++)
{
if(i==j||i+j==n-1)
System.out.print(" ");
else
System.out.print(" ");
}
System.out.println();
}
}
public static void main(String[] args)
{
Scanner s=new Scanner(System.in);
int n=s.nextInt();
Pattern(n);
}
}