int a=0, b=7;
        for (int x=0; x<8; x++){
            for (int y=0; y<8; y++){
                if (x != 4){
                    if (y == a || y == b){
                        System.out.print("*");
                    } else {
                        System.out.print(" ");
                    }
                }
            }
            a++;
            b--;
            if (x != 4){
                System.out.println("");
            }
        }
    }

}