Не пойму почему при таком варианте создается одна пара "тот".
Вы вод правильный, но валидатор не принимает?
package com.javarush.task.task22.task2207;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import java.util.stream.Collectors;
/*
Обращенные слова
*/
public class Solution {
public static List<Pair> result = new LinkedList<>();
public static void main(String[] args) throws IOException {
String file = new BufferedReader(new InputStreamReader(System.in)).readLine();
//String file = "C:\\Users\\pljas\\Downloads\\project\\JavaRushTasks\\3.JavaMultithreading\\src\\com\\javarush\\task\\task22\\task2207\\file.txt";
List<String> words = Files.lines(Paths.get(file))
.flatMap(line -> Arrays.stream(line.split(" "))
.filter(word -> !word.equals("")))
//.distinct()
.collect(Collectors.toList());
for (int i = 0; i < words.size(); i++) {
StringBuilder temp = new StringBuilder(words.get(i)).reverse();
if (words.contains(temp.toString())) {
Pair pair = new Pair();
pair.first = words.get(i);
pair.second = temp.toString();
result.add(pair);
}
//words.remove(temp.toString());
words.remove(i);
}
for (Pair p: result) {
System.out.println(p.first + " " + p.second);
}
}
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;
}
}
}
