Io stream Creating a list of Java files

 PackageCom.yyq;/** Practice: * Store the absolute path of a Java file in a specified directory into a text file * * Idea 1. Recursively * 2 for the specified directory. Gets the path to all Java files in the recursive process * 3. Store these paths in the collection * 4. Set Data stored in a file *//Storage to hard disk, hard disk, data persistence, write to file, no try Catch*/ImportJava.io.*;ImportJava.util.*; Public classJavafilelist { Public Static voidMain (string[] args)throwsIOException {//TODO auto-generated Method StubFile dir =NewFile ("d:\\apache-tomcat-7.0.63-windows-x64"); List<file>list =NewArraylist<file>();        Filetolist (dir, list);        System.out.println (List.size ()); File F=NewFile ("Java.txt");            Listwritetofile (f,list); }     Public Static voidFiletolist (File dir,list<file>list) {file[] files=Dir.listfiles ();  for(File file:files) {if(File.isdirectory ()) {filetolist (file,list); }            Else{                if(File.getname (). EndsWith (". Java") {list.add (file); }            }        }    }     Public Static voidListwritetofile (File f,list<file>list)throwsioexception{bufferedwriter BUFW=NewBufferedWriter (NewFileWriter (F.getpath ()));  for(File file:list) {bufw.write (File.getabsolutepath ());            Bufw.newline ();        Bufw.flush (); }    }}

Io stream Creating a list of Java files