Заранее спасибо за помощь
package com.javarush.task.task19.task1909;
import java.io.*;
/*
Замена знаков
*/
public class Solution {
public static void main(String[] args) throws IOException{
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
FileReader file = new FileReader(reader.readLine());
FileWriter file2 = new FileWriter(reader.readLine());
BufferedReader reader2 = new BufferedReader(file);
BufferedWriter writer = new BufferedWriter(file2);
String res = "";
while(reader2.ready()){
res = res + reader2.read();
}
char[] a = res.toCharArray();
for(int i = 0; i < a.length; i++){
if(a[i] == '.')a[i] = '!';
}
for(int i = 0; i < a.length; i++){
writer.write(a[i]);
}
reader2.close();
reader.close();
writer.close();
}
}