still cannot pass with String newStr = str.replace("\\.","!");
package zh.codegym.task.task19.task1909;
import java.io.*;
import java.util.*;
/*
更改标点符号
*/
public class Solution {
public static void main(String[] args) throws IOException{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String a = br.readLine();
String b = br.readLine();
br.close();
BufferedReader reader = new BufferedReader(new FileReader(a));
BufferedWriter writer = new BufferedWriter(new FileWriter(b));
while(reader.ready()) {
String str = reader.readLine();
String newStr = str.replace("/.","!");
writer.write(newStr);
}
reader.close();
writer.close();
}
}