I am stuck... Does anyone would like to point me at some way of solve it? Thanks!
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Czy mogę prosić o pomoc gdzie popełniam błąd? Z góry dziękuję! :)
package pl.codegym.task.task10.task1012;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.*;
/*
Liczba liter
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
// Alfabet
String abc = "aąbcćdeęfghijklłmnńoóprsśtuwyzźż";
char[] abcTablica = abc.toCharArray();
ArrayList<Character> alfabet = new ArrayList<>();
for (char litera : abcTablica) {
alfabet.add(litera);
}
// Czyta ciągi
ArrayList<String> lista = new ArrayList<>();
for (int i = 0; i < 10; i++) {
String s = reader.readLine();
lista.add(s.toLowerCase());
}
HashMap<Character, Integer> map = new HashMap<>();
for (Character c : alfabet)
map.put(c, 0);
for (String s : lista) {
char[] chars = s.toCharArray();
for (char c : chars) {
if (!alfabet.contains(c))
map.remove(c);
else
map.put(c, map.get(c) + 1);
}
}
for (Map.Entry<Character, Integer> values : map.entrySet()) {
char character = values.getKey();
int occurrences = values.getValue();
System.out.println(character + " " + occurrences);
}
}
}