The files I modified :
  WebScript.java
  Main.java
  Service.java
  Service_List.java
  Nonempty_Service_List.java
  Url.java
  TimeOut.java
  Repeat.java
  Alternative.java
  Concurrent.java
  
The files I add:
   MyTimer.java

The outputfile is
   webfile.out

To execute:

  java Main<program.input>webfile.out