Хоть я и не использовал итератор, все равно в Set добавляются уникальные значения. Вывод правильный. Что мне делать?
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
*/
//D:\java\1.txt
public class Solution {
public static List<Pair> result = new LinkedList<>();
public static Set<Pair> list = new LinkedHashSet<>();
public static void main(String[] args) throws IOException {
try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
FileReader fileReader = new FileReader(br.readLine());
BufferedReader reader = new BufferedReader(fileReader)) {
StringBuilder sb1 = new StringBuilder();
String line = reader.readLine();
while (line != null) {
sb1.append(line);
sb1.append(System.lineSeparator());
line = reader.readLine();
}
String res = sb1.toString().replaceAll("\r\n", " ");
String[] arr = res.split(" ");
for (String str : arr) {
StringBuilder sb = new StringBuilder(str);
for (String s : arr) {
if (s.equals(sb.reverse().toString())) {
Pair pair = new Pair();
pair.first = s;
pair.second = sb.reverse().toString();
list.add(pair);
}
}
}
for (Pair pair : list) {
result.add(pair);
}
}
// System.out.println(result);
}
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;
}
}
}