我再本地中已经调试过了啊，是没问题的啊
package zh.codegym.task.task19.task1925;
/*
长字词
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws IOException {
String file1=args[0];
String file2=args[1];
BufferedReader reader=new BufferedReader(new FileReader(file1));
BufferedWriter w =new BufferedWriter(new FileWriter(file2));
while (reader.ready()){
String line=reader.readLine();
String[] l=line.split(" ");
for (String s : l) {
char[] chars = s.toCharArray();
for (char aChar : chars) {
if (aChar == ',' && chars.length > 6 && !s.endsWith(",")){
w.write(s);
break;
}
}
}
}
reader.close();
w.close();
}
}