выводит все правильно где может быть ошибка что я упустил
package com.javarush.task.task22.task2207;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
/*
Обращенные слова
*/
public class Solution {
public static List<Pair> result = new LinkedList<>();
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
List<String> list = new ArrayList<>();
BufferedReader bufferedReader = new BufferedReader(new FileReader(reader.readLine()));
while (bufferedReader.ready()){
String[] strings = bufferedReader.readLine().split(" ");
for (int i = 0; i < strings.length; i++) {
list.add(strings[i]);
}
}
System.out.println(list);
StringBuilder stringBuilder = new StringBuilder();
Set<Pair> set = new LinkedHashSet<>();
for (int i = 0; i < list.size(); i++) {
for (int j = 0; j < list.size(); j++) {
if (i == j){
break;
}
String s = stringBuilder.append(list.get(i)).reverse().toString();
if (s.equals(list.get(j))){
Pair pair = new Pair();
pair.first = s;
pair.second = list.get(i);
set.add(pair);
}
stringBuilder.delete(0, s.length());
}
}
for (Pair p : set){
result.add(p);
}
System.out.println(result);
System.out.println(set);
}
public static class Pair {
String first;
String second;
@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;
}
}
}