Not sure why last requirement will not pass
package com.codegym.task.task10.task1012;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
/*
Number of letters
*/
public class Solution {
public static void numberOfDifferntLetters(HashMap<Character, Integer> result, ArrayList<Character> abcList, String word) {
char[] wordArray = word.toCharArray();
for (char letter : abcList) {
int sumOf = result.get(letter);
for (int i = 0; i < wordArray.length; i++) {
if ( letter == wordArray[i]) {
result.put(letter, sumOf + 1);
break;
}
}
}
}
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
// Alphabet
String abc = "abcdefghijklmnopqrstuvwxyz";
char[] abcArray = abc.toCharArray();
HashMap<Character, Integer> letterCounts = new HashMap<>();
ArrayList<Character> alphabet = new ArrayList<>();
for (char letter : abcArray) {
alphabet.add(letter);
letterCounts.put(letter, 0);
}
// Read in strings
ArrayList<String> list = new ArrayList<>();
for (int i = 0; i < 10; i++) {
String s = reader.readLine();
list.add(s.toLowerCase());
}
for (String word : list) {
numberOfDifferntLetters(letterCounts, alphabet, word);
}
letterCounts.forEach((key, value) -> {
System.out.printf("%s %s" + System.lineSeparator(), key, value);
});
// write your code here
}
}