Task_2

package TaskTwo;

import java.util.Scanner;

    public class TaskTwo {
        public static void main(String[] args) {
            System.out.println("Input numbers, size of Christmas tree");
            Scanner scanner = new Scanner(System.in);
            int evenFlag;
            int baseSize;
            int iteration;
            baseSize = scanner.nextInt();


            if ((baseSize % 2) == 0) {
                evenFlag = 1; // base size is even
                iteration = baseSize / 2; // high of tree
            } else {
                evenFlag = 0; // base size is odd
                iteration = (baseSize / 2) + 1; // high of tree
            }



            for (int i = 0; i < iteration; i++) {

                // printing a line
                for (int space = 1; (iteration - i) - space > 0; space++) {
                    System.out.print(" ");
                }

                for (int wildcards = 0; wildcards <= 2*i + evenFlag; wildcards++) {
                    System.out.print("*");
                }
                System.out.println();
            }
        }
    }