а
package com.javarush.task.task10.task1012;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.*;
/*
Количество букв
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
// Алфавит
List<Character> alphabet = Arrays.asList(
'а','б','в','г','д','е','ё','ж',
'з','и','й','к','л','м','н','о',
'п','р','с','т','у','ф','х','ц',
'ч','ш','щ','ъ','ы','ь','э','ю','я');
// Ввод строк
ArrayList<String> list = new ArrayList<String>();
for (int i = 0; i < 10; i++) {
String s = reader.readLine();
list.add(s.toLowerCase());
}
int counter = 0;
Map <Character, Integer>m = new HashMap<>();
for (int b = 0; b < alphabet.size(); b++) {
for (int i = 0; i < list.size(); i++) {
for (int c = 0; c < list.get(i).length(); c++) {
if (list.get(i).charAt(c) == alphabet.get(b)) {
counter++;
}
}
}
m.put(alphabet.get(b), counter);
counter = 0;
}
Iterator <Map.Entry<Character, Integer>>it = m.entrySet().iterator();
while(it.hasNext()) {
Map.Entry<Character, Integer> pair = it.next();
System.out.println(pair.getKey() + " " + pair.getValue());
}
}
}