Creation of the Textfile class

Textfile, as a self-written method, inherits from List<string>. Like what words appear in the statistics text, do not repeat, etc., it is appropriate to use set set to complete the statistics.

1 classTextfileextendsArraylist<string>{2          Public Staticstring Read (string filename) {3StringBuilder sb=NewStringBuilder ();4             Try{5BufferedReader in=NewBufferedReader (NewFileReader (6                         NewFile (filename). Getabsolutefile ());7                     Try{8 String S;9                          while((S=in.readline ())! =NULL){Ten Sb.append (s); OneSb.append ("\ n"); A                             } -}finally{ - in.close (); the                 } -}Catch(IOException e) { -                 Throw NewRuntimeException (e); -             } +             returnsb.tostring (); -     } +      Publictextfile (String filename,string splitter) { A         Super(arrays.aslist (read (filename). Split (splitter))); at         if(Get (0). Equals ("")) Remove (0); -     } -      Publictextfile (String filename) { -          This(filename, "\ n"); -     } -      Public voidWrite (String filename) { in         Try{ -PrintWriter out=NewPrintWriter (NewFile to (filename). Getabsolutefile ()); +             Try{ -                  for(String item: This) out.println (item); the}finally{ * out.close (); $                 }Panax Notoginseng}Catch(IOException e) { -                 Throw NewRuntimeException (e); the                 } +              A     } the      Public Static voidWrite (String filename,string text) { +     //where filename indicates the name of the file to write, text indicates the content of the string being written -         Try{ $FileWriter fwriter=NewFileWriter (NewFile $ (filename). Getabsolutefile ()); -BufferedWriter out=NewBufferedWriter (fwriter); -String []tx=text.split ("\ n"); the             Try{ -                  for(inti=0;i<tx.length;i++)Wuyi                 { the Out.write (Tx[i]); - out.newline (); Wu                 } -}finally{ About Out.flush (); $ out.close (); -                 } -}Catch(IOException e) { -                 Throw NewRuntimeException (e); A                  +             } the              -     } $}

     Public Static void Main (string[] args) {        Setnew treeset<string>(            new textfile (" Statcktest.java "," \\w+ "));        System.out.print (words);            System.out.println (Words.size ());                SetNew treeset<string>(string.case_insensitive_order);        Words2.addall (words);        System.out.print (WORDS2);        System.err.println (Words2.size ());                 // What's the difference here?             }

Creation of the Textfile class