Примеры из условия проходят. lines содержит корректные объекты, что не так?
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 List<String> linesFromFile1 = new ArrayList<>();
public static List<String> linesFromFile2 = new ArrayList<>();
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String fileName1 = reader.readLine();
String fileName2 = reader.readLine();
reader.close();
FileReader fileReader1 = new FileReader(fileName1);
FileReader fileReader2 = new FileReader(fileName2);
BufferedReader reader1 = new BufferedReader(fileReader1);
BufferedReader reader2 = new BufferedReader(fileReader2);
int lastNumber1 = 0;
int lastNumber2 = 0;
while(reader1.ready()){
String str = reader1.readLine();
int number = Integer.parseInt(String.valueOf(str.charAt(str.length() - 1)));
if(lastNumber1 + 1 < number){
linesFromFile1.add("0");
linesFromFile1.add(str);
} else if (lastNumber1 == 5 && number == 1){
linesFromFile1.add("0");
linesFromFile1.add(str);
}
else {
linesFromFile1.add(str);
}
lastNumber1 = number;
}
fileReader1.close();
while(reader2.ready()){
String str = reader2.readLine();
int number = Integer.parseInt(String.valueOf(str.charAt(str.length() - 1)));
if(lastNumber2 + 1 < number){
linesFromFile2.add("0");
linesFromFile2.add(str);
} else if (lastNumber2 == 5 && number == 1){
linesFromFile2.add("0");
linesFromFile2.add(str);
}
else {
linesFromFile2.add(str);
}
lastNumber2 = number;
}
fileReader2.close();
// System.out.println(linesFromFile1);
// System.out.println(linesFromFile2);
int maxSize = Math.max(linesFromFile1.size(), linesFromFile2.size());
String line1 = "";
String line2 = "";
for (int i = 0; i < maxSize; i++) {
try {
line1 = linesFromFile1.get(i);
} catch (IndexOutOfBoundsException e) {
lines.add(new LineItem(Type.ADDED, linesFromFile2.get(i)));
break;
}
try {
line2 = linesFromFile2.get(i);
} catch (IndexOutOfBoundsException e) {
lines.add(new LineItem(Type.REMOVED, linesFromFile1.get(i)));
break;
}
if (line1.equals(linesFromFile2.get(i))) {
lines.add(new LineItem(Type.SAME, line1));
} else if ("0".equals(line1)) {
lines.add(new LineItem(Type.ADDED, linesFromFile2.get(i)));
} else if ("0".equals(linesFromFile2.get(i))) {
lines.add(new LineItem(Type.REMOVED, line1));
}
}
}
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;
//System.out.println(this.type + " " + this.line);
}
}
}