Вбивал разные комбинации в файл, вывод верный, но валя не принимает.
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.ArrayList;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
/*
Обращенные слова
*/
public class Solution {
public static List<Pair> result = new LinkedList<>();
public static void main(String[] args) throws IOException {
BufferedReader console = new BufferedReader(new InputStreamReader(System.in));
String file = console.readLine();
console.close();
try(BufferedReader reader = new BufferedReader(new FileReader(file)))
{
StringBuilder builder = new StringBuilder();
while (reader.ready()) {
String line = reader.readLine();
builder.append(line+" ");
}
ArrayList<String> words = new ArrayList<>(Arrays.asList(builder.toString().split(" ")));
for (int i = 0; i< words.size();i++)
{
String first = words.get(i);
for (int j = i+1; j< words.size();j++)
{
String second = words.get(j);
if (first.equals(new StringBuilder(second).reverse().toString()))
{
result.add(new Pair(first,second));
words.remove(j);
}
}
}
}
for (Pair res:
result) {
System.out.println(res.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 :
second == null ? first :
first.compareTo(second) < 0 ? first + " " + second : second + " " + first;
}
}
}