Практика7.6

package com.company;

import java.util.Scanner;

public class Main {

    interface Sharp {

        String Sharper (long i);
    }

    public static class Task implements Sharp {

        @Override
        public String Sharper(long i) {
            int Length = String.valueOf(i).length();
            String str = "";
            if (Length<=3)
            {
                for (int j=0; j<Length; j++)
                {
                    str+="#-";
                }
            }
            else {
                for (int j=1; j<=Length; j++)
                {
                    str+="#";
                    if (j%3==0) str+="-";
                }
            }
            if (str.endsWith("-")) return str.substring(0, str.length() - 1);
            return str;
        }
    }

    public static void main(String[] args) {
        Scanner vvod = new Scanner(System.in);
        long Number;
        System.out.println("Введите число: ");
        Number = vvod.nextLong();
        Task sh = new Task();
        System.out.println(sh.Sharper(Number));
    }
}