I checked few times but I cannot find the error. Can You help?
package pl.codegym.task.task07.task0717;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.*;
/*
Duplikowanie słów
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
ArrayList<String> lista = new ArrayList<String>();
for (int i = 0; i < 10; i++)
{
lista.add(reader.readLine());
}
ArrayList<String> wynik = doubleValues(lista);
for (String s : lista)
{
System.out.println(s);
}
}
public static ArrayList<String> doubleValues(ArrayList<String> lista) {
ArrayList<String> listapom = new ArrayList<>();
for (int i = 0; i < 10; i++)
{
listapom.add(lista.get(i));
listapom.add(lista.get(i));
}
return listapom;
}
}