Need help pls
package com.codegym.task.task19.task1910;
/*
Punctuation
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws IOException {
InputStreamReader is = new InputStreamReader(System.in);
BufferedReader reader = new BufferedReader(is);
String file1 = reader.readLine();
String file2 = reader.readLine();
reader.close();
//read file1's contents
BufferedReader br = new BufferedReader(new FileReader(file1));
BufferedWriter bw = new BufferedWriter(new FileWriter(file2));
String line;
while ((line = br.readLine()) != null) {
line = line.replaceAll("\\W", " ").replaceAll("[^a-zA-Z ]", "");
bw.write(line);
}
bw.close();
br.close();
}
}