что делаю неверно?
package com.javarush.task.task19.task1916;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
/*
Отслеживаем изменения
*/
public class Solution {
public static List<LineItem> lines = new ArrayList<LineItem>();
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
FileReader fileReader1 = new FileReader(reader.readLine());
FileReader fileReader2 = new FileReader(reader.readLine());
reader.close();
BufferedReader fr1 = new BufferedReader(fileReader1);
BufferedReader fr2 = new BufferedReader(fileReader2);
ArrayList<String> list1 = new ArrayList<>();
ArrayList<String> list2 = new ArrayList<>();
while (fr1.ready()) {
list1.add(fr1.readLine());
}
fr1.close();
while (fr2.ready()) {
list2.add(fr2.readLine());
}
fr2.close();
int max = Math.max(list1.size(), list2.size());
for (int i = 0; i < max; i++) {
if (list1.get(i).equals(list2.get(i)))
{
lines.add(new LineItem(Type.SAME,list1.get(i)));
list1.remove(i);
list2.remove(i);
i--;
}
else if (!list1.get(i).equals(list2.get(i))){
lines.add(new LineItem(Type.ADDED, list2.get(i)));
list2.remove(i);
i--;
int count = 0;
for (int j =0; j< list2.size();j++)
{
if (list1.get(i).equals(list2.get(j)))
{
count++;
lines.add(new LineItem(Type.SAME,list1.get(i)));
list1.remove(i);
list2.remove(i);
i--;
}
else {
lines.add(new LineItem(Type.REMOVED,list1.get(i)));
list1.remove(i);
i--;
}
}
}
}
for (LineItem lineItem : lines) {
System.out.println(lineItem.type + " " + lineItem.line);
}
}
public static enum Type {
ADDED, //добавлена новая строка
REMOVED, //удалена строка
SAME //без изменений
}
public static class LineItem {
public Type type;
public String line;
public LineItem(Type type, String line) {
this.type = type;
this.line = line;
}
}
}