I don't know what's wrong with my solution, it works for different inputs. Your help is much appreciated. thanks
package com.codegym.task.task22.task2207;
import java.io.*;
import java.util.LinkedList;
import java.util.List;
/*
Inverted words
*/
public class Solution {
public static List<Pair> result = new LinkedList<>();
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String fileName = reader.readLine();
reader.close();
BufferedReader fileReader = new BufferedReader(new FileReader(fileName));
StringBuilder sb = new StringBuilder();
while(fileReader.ready()){
String line = fileReader.readLine().trim();
sb.append(line+" ");
}
fileReader.close();
String line = sb.toString().trim();
String[] splitLine =line.split(" ") ;
for(String s: splitLine){
StringBuilder reverseBuffer = new StringBuilder(s);
String reversedString = reverseBuffer.reverse().toString();
if(line.contains(reversedString) && !s.equals(reversedString)) {
// if(!result.contains(s) && !result.contains(reversedString)){
Pair pair = new Pair();
pair.first = s;
pair.second = reversedString;
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;
}
}
}