Christmas Hat Shape

import java.util.Scanner;
public class Main
{
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter a number:");
        int num = Integer.parseInt(sc.nextLine());
        String dots = generateFrom(".",((4*num)-2)/2);
        //top of the Christmas hat
        System.out.println(dots + "/|\\" + dots);
        System.out.println(dots + "\\|/" + dots);
        //middle part of the hat - 2*num rows
        int dotNum = ((4*num)-2)/2;
        int dashNum = 0;
        for(int i = 0;i<2*num;i++){
            String insideDot = generateFrom(".",dotNum);
            String dash = generateFrom("-",dashNum);
            System.out.println(insideDot + "*" + dash + "*" + dash + "*" + insideDot);
            dotNum--;
            dashNum++;
        }
        //last part of the hat
        String stars = generateFrom("*",4*num+1);
        System.out.println(stars);
        for(int h = 0;h<4*num+1;h++){
            if(h % 2 == 0){
                System.out.print("*");
            }
            else{
                System.out.print(".");
            }
        }
        System.out.println();
        System.out.println(stars);
    }

    static String generateFrom(String symbol,int number){
        String text = "";
        for(int i=0;i<number;i++){
            text += symbol;
        }

        return text;
    }
}