Укажите пожалуйста на ошибку.
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));
String file1 = reader.readLine();
String file2 = reader.readLine();
reader.close();
BufferedReader file1Reader = new BufferedReader(new FileReader(file1));
BufferedReader file2Reader = new BufferedReader(new FileReader(file2));
List<String> buffer1 = new ArrayList<>();
List<String> buffer2 = new ArrayList<>();
while (file1Reader.ready()){
buffer1.add(file1Reader.readLine());
}
while (file2Reader.ready()){
buffer2.add(file2Reader.readLine());
}
file1Reader.close();
file2Reader.close();
int k = 0;
int count = 0;
if(buffer1.size()>=buffer2.size()) {
for (int i = 0; i < buffer2.size() - k; i++) {
if (buffer1.get(i).equals(buffer2.get(i + k))) {
lines.add(new LineItem(Type.SAME, buffer1.get(i)));
count++;
} else if (buffer1.get(i + 1).equals(buffer2.get(i + k))) {
lines.add(new LineItem(Type.REMOVED, buffer1.get(i)));
k--;
count++;
} else {
lines.add(new LineItem(Type.ADDED, buffer2.get(i + k)));
k++;
i--;
count++;
}
}
lines.add(new LineItem(Type.REMOVED,buffer1.get(buffer1.size()-1)));
}else if(buffer2.size()>=buffer1.size()) {
for (int i = 0; i < buffer1.size() - k; i++) {
if (buffer1.get(i).equals(buffer2.get(i + k))) {
lines.add(new LineItem(Type.SAME, buffer1.get(i)));
count++;
} else if (buffer1.get(i + 1).equals(buffer2.get(i + k))) {
lines.add(new LineItem(Type.REMOVED, buffer1.get(i)));
k--;
count++;
} else {
lines.add(new LineItem(Type.ADDED, buffer2.get(i + k)));
k++;
i--;
count++;
}
}
lines.add(new LineItem(Type.ADDED,buffer2.get(buffer2.size()-1)));
}
}
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;
}
}
}