Hi everyone,
The code seems working correctly, I got the same expected results for the two examples, but the code is still rejected by the validator,
can any one please tell me the reason behind that ? thanks a lot.
Recommendation from the mentor
Be sure that the lines list has the SAME label with the required lines in the correct places.
package com.codegym.task.task19.task1916;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.BufferOverflowException;
import java.util.ArrayList;
import java.util.List;
/*
Tracking changes
*/
public class Solution {
public static List<LineItem> lines = new ArrayList<>();
public static void main(String[] args) throws IOException {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
String original = bufferedReader.readLine();
String updated = bufferedReader.readLine();
bufferedReader.close();
BufferedReader fileReaderOriginal = new BufferedReader(new FileReader(original));
BufferedReader fileReaderUpdated = new BufferedReader( new FileReader(updated));
String lineOriginal = fileReaderOriginal.readLine();
String lineUpdated = fileReaderUpdated.readLine();
while (lineOriginal != null && lineUpdated != null) {
if (lineOriginal.trim().compareTo(lineUpdated.trim()) < 0) {
lines.add(new LineItem(Type.REMOVED,lineOriginal));
lineOriginal = fileReaderOriginal.readLine();
} else if (lineOriginal.trim().compareTo(lineUpdated.trim()) > 0) {
lines.add(new LineItem(Type.ADDED,lineUpdated));
lineUpdated = fileReaderUpdated.readLine();
} else {
lines.add(new LineItem(Type.SAME,lineOriginal));
lineOriginal = fileReaderOriginal.readLine();
lineUpdated = fileReaderUpdated.readLine();
}
}
while (lineOriginal != null) {
lines.add(new LineItem(Type.REMOVED,lineOriginal));
lineOriginal = fileReaderOriginal.readLine();
}
while (lineUpdated != null) {
lines.add(new LineItem(Type.ADDED,lineUpdated));
lineUpdated = fileReaderUpdated.readLine();
}
fileReaderOriginal.close();
fileReaderUpdated.close();
//for (int i = 0; i < lines.size(); i++ )
// System.out.println(lines.get(i).type + " " + lines.get(i).line);
}
public static enum Type {
ADDED, // New line added
REMOVED, // Line deleted
SAME // No change
}
public static class LineItem {
public Type type;
public String line;
public LineItem(Type type, String line) {
this.type = type;
this.line = line;
}
}
}