Not sure why the last 3 conditions don't verify, the output is correct. ![]()
package com.codegym.task.task10.task1012;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
/*
Number of letters
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
// Alphabet
String abc = "abcdefghijklmnopqrstuvwxyz";
char[] abcArray = abc.toCharArray();
ArrayList<Character> alphabet = new ArrayList<>();
for (char letter : abcArray) {
alphabet.add(letter);
}
// Read in strings
ArrayList<String> list = new ArrayList<>();
for (int i = 0; i < 10; i++) {
String s = reader.readLine();
list.add(s.toLowerCase());
}
HashMap<String,Integer> letterCounter = new HashMap<>();
for (Character currentLetter : alphabet){
letterCounter.put(currentLetter.toString(),0);
}
for (String listElement : list){
Integer count = letterCounter.get(listElement);
count++;
letterCounter.put(listElement,count);
}
letterCounter.forEach((k,v) -> System.out.println(k + " " + v));
}
}
