Не проходит валидатор
package com.javarush.task.task17.task1721;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;
/*
Транзакционность
*/
public class Solution {
public static List<String> allLines = new ArrayList<String>();
public static List<String> forRemoveLines = new ArrayList<String>();
public static void main(String[] args) {
try {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String firstFile = br.readLine();
String secondFile = br.readLine();
br.close();
FileReader fileReader = new FileReader(firstFile);
Scanner scanner = new Scanner(fileReader);
while (scanner.hasNextLine()) {
allLines.add(scanner.next());
}
fileReader = new FileReader(secondFile);
scanner = new Scanner(fileReader);
while (scanner.hasNextLine()) {
forRemoveLines.add(scanner.next());
}
fileReader.close();
scanner.close();
Solution solution = new Solution();
solution.joinData();
} catch (IOException e) {
e.printStackTrace();
}
}
public void joinData() throws CorruptedDataException {
boolean isPresent = false;
for(String line: forRemoveLines) {
if(!allLines.contains(line)) {
isPresent = true;
}
}
if(!isPresent) {
for(String line: forRemoveLines) {
allLines.remove(line);
}
} else {
allLines.clear();
throw new CorruptedDataException();
}
}
}