Не понимаю, почему не хочет обрабатывать первую пару слов, не находит реверснутое слово в set-epackage com.javarush.task.task22.task2207;
import java.io.*;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
/*
Обращенные слова
*/
public class Solution {
public static List<Pair> result = new LinkedList<>();
public static String getReverse(String s) {
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append(s);
stringBuilder.reverse();
return stringBuilder.toString();
}
public static void main(String[] args) {
try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)))
{
BufferedReader filereader = new BufferedReader(new FileReader(reader.readLine()));
HashSet<String> set = new HashSet<String>();
while (filereader.ready()) {
String[] s = filereader.readLine().split(" ");
for (String str : s) {
if (!set.contains(str)) {
set.add(str);
String strrev = getReverse(str);
if (set.contains(strrev)){
System.out.println(str + " " + strrev);
}
}
}
}
filereader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
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;
}
}
}
