Задача 1А Java

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;


public class Main {

    public static void main(String[] arg) {
        Scanner str = new Scanner(System.in);
        System.out.println("Enter the string:");
        String inputStr = str.nextLine();

        inputStr = inputStr.replace(" ","");

        Map<Character, Integer> dictionary = new HashMap<Character, Integer>();


        for (int i = 0; i < inputStr.length(); i++) {
            char symbol = inputStr.charAt(i);
            int count = 0;
            if (dictionary.get(symbol) != null){
                count = dictionary.get(symbol);
            }
            count++;
            dictionary.put(symbol, count);
        }

        System.out.println(dictionary.entrySet());

    }
}