Stars_Х

Scanner keyboard = new Scanner(System.in);
        System.out.print("Enter Size: ");
  int n = keyboard.nextInt();

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