How to use the file class recursively to traverse all files and folders in a specified directory in Java

 packagecuiyuee;Importjava.io.File;Importjava.util.ArrayList;Importjava.util.List; public classGetalldirectory { public Static voidshowdirectory (file file) {file[] files=File.listfiles ();  for(File a:files) {System.out.println (a.getabsolutepath ()); if(a.isdirectory ()) {showdirectory (a); }        }    }         public Static voidmain (string[] Args) {//TODO auto-generated Method StubFile File =NewFile ("f:\\java");    Showdirectory (file); }}

Execution results are as follows

F:\java\childDirectory
F:\java\childDirectory\cuiyuee1.txt
F:\java\cuiyuee.txt
F:\java\songbo.txt

How to use the file class recursively to traverse all files and folders in a specified directory in Java