Не понимаю, как нужно считать данные из файлов в List.
package com.javarush.task.task17.task1721;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
/*
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) {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
String lineOne;
String lineTwo;
try {
lineOne = bufferedReader.readLine();
lineTwo = bufferedReader.readLine();
bufferedReader.close();
String input;
} catch (Exception e){}
}
public void joinData() throws CorruptedDataException {
if (allLines.containsAll(forRemoveLines)){
allLines.addAll(forRemoveLines);
allLines.removeAll(forRemoveLines);
} else {
allLines.clear();
throw new CorruptedDataException();
}
}
}