Hello,
sorry i don´t get it.
It always returns 0 for each letter.
Can anyone help?
Thank you.
package de.codegym.task.task10.task1012;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.*;
/*
Buchstabenanzahl
*/
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 buchstabe : abcArray) {
alphabet.add(buchstabe);
}
// Zeichenketten einlesen
ArrayList<String> liste = new ArrayList<>();
for (int i = 0; i < 10; i++) {
String s = reader.readLine();
liste.add(s.toLowerCase());
}
// schreib hier deinen Code
for (char e : alphabet){
//String val =String.valueOf(e);
System.out.println(e + " " + Collections.frequency(liste, e));
}
}
}