Вывод правильный, но на последний пункт ругается
package com.javarush.task.task22.task2207;
import java.io.*;
import java.util.*;
import java.util.concurrent.atomic.AtomicReference;
/*
Обращенные слова
*/
///Users/mac/Documents/JRTasks/Sb.txt
public class Solution {
public static List<Pair> result = new LinkedList<>();
public static void main(String[] args) {
String fileName = null;
try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in))) {
fileName = reader.readLine();
} catch (IOException e) {
e.printStackTrace();
}
List<String> lines = new ArrayList<>();
String line;
try (BufferedReader reader = new BufferedReader(new FileReader(fileName))) {
while ((line = reader.readLine()) != null) {
lines.add(line);
}
} catch (IOException e) {
e.printStackTrace();
}
LinkedList<String> words = new LinkedList<>();
lines.forEach(str -> words.addAll(Arrays.asList(str.split("\\s"))));
//words.forEach(System.out::println);
StringBuilder sb;
String polledString;
Pair pair;
while (!words.isEmpty()) {
polledString = words.pollFirst();
for (int i = 0; i < words.size(); i++) {
sb = new StringBuilder();
sb.append(words.get(i));
if (polledString.equals(sb.reverse().toString())) {
pair = new Pair();
pair.first = polledString;
String currentElement = words.get(i);
words.remove(currentElement);
pair.second = currentElement;
result.add(pair);
}
}
}
result.forEach(System.out::println);
}
public static class Pair {
String first;
String second;
public Pair() {
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Pair pair = (Pair) o;
if (first != null ? !first.equals(pair.first) : pair.first != null) return false;
return second != null ? second.equals(pair.second) : pair.second == null;
}
@Override
public int hashCode() {
int result = first != null ? first.hashCode() : 0;
result = 31 * result + (second != null ? second.hashCode() : 0);
return result;
}
@Override
public String toString() {
return first == null && second == null ? "" :
first == null ? second :
second == null ? first :
first.compareTo(second) < 0 ? first + " " + second : second + " " + first;
}
}
}