Recursively reads all files under the directory file

---restore content starts---

1. Read all files (not folders) under the folder under the E Drive (xx.txt;yytxt,gg.txt) directory

E:app

App1

app1.1 Xx.txt

app1.2 Yy.txt

App2

APP2 Gg.txt

2. Code

　

 PackageCom.tansun;ImportJava.io.File;Importjava.util.ArrayList;Importjava.util.List; Public classFileReader { PublicList<string> Ergdoic (File file,list<string>resultfilename) {file[] files=File.listfiles (); if(files==NULL){            returnResultfilename; }         for(File f:files) {if(!f.isdirectory ()) {//if not a folderResultfilename.add (F.getpath ()); }Else{ergdoic (f,resultfilename);//If the folder is recursive            }        }        returnResultfilename;//returns a collection of file names    }        //Run Tests     Public Static voidMain (string[] args) {File file=NewFile ("E:\\app"); List<String> list=NewArraylist<string>(); System.out.println (NewFileReader (). ergdoic (file, list)); }        }

3. The result is a collection of paths to the file

　　

Recursively reads all files under the directory file