Как я только не извращался над кодом, и вывод верный, и все обрезаю, что вообще возможно, и без понятия, что не так то?
package com.javarush.task.task22.task2207;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/*
Обращенные слова
*/
public class Solution {
public static List<Pair> result = new LinkedList<>();
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String fileName = reader.readLine();
reader.close();
BufferedReader fileReader = new BufferedReader(new FileReader(fileName));
StringBuilder builder = new StringBuilder();
while(fileReader.ready()) {
builder.append(fileReader.readLine());
builder.append(" ");
}
String temp = builder.toString().replaceAll("(\\r)?\\n", "");
builder = new StringBuilder(temp);
fileReader.close();
List<String> list = new ArrayList<>();
Pattern p = Pattern.compile("\\b\\S+\\b");
Matcher m = p.matcher(builder);
while(m.find()) {
list.add(m.group());
//System.out.println(m.group());
}
for(int i=0;i<list.size()-1;i++) {
String first = list.get(i);
String second = new StringBuilder(list.get(i+1)).reverse().toString();
if(first.equals(second)) {
//System.out.println(first);
//System.out.println(second);
result.add(new Pair(first, second));
i++;
}
}
/*for(Pair pair : result) {
System.out.println(pair.toString());
}*/
}
public static class Pair {
String first;
String second;
public Pair() {
}
public Pair(String first, String second) {
this.first = first;
this.second = 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 != null ? second :
second == null && first != null ? first :
first.compareTo(second) < 0 ? first + " " + second : second + " " + first;
}
}
}