choinka

package tk.evilus;

import java.util.Scanner;

public class choinka {
    public static void main(String[] arg) {
        int a, h;
        char star = '*';
        System.out.print("Enter the height of the Christmas tree: ");
        Scanner input = new Scanner(System.in);
        h = input.nextInt();
        input.close();
        for (int i = 0; i <= h; i++) {
            if (i != h) {
                for (a = 0; a < h * 2; a++) {
                    if (a < (h - i) || a > (h + i)) {
                        System.out.print(" ");

                    } else {
                        System.out.print(star);

                    }
                }
            } else {
                for (a = 0; a<h*2; a++) {
                    if (a<h || a>h)
                        System.out.print(" ");
                    else
                        System.out.print("#");
                }
            }

            System.out.println();

        }


    }
}