Share very useful Java programs (key code) (ii)---list files and directories

Source: Internet
Author: User

Original: Share very useful Java programs (key code) (ii)---list files and directories

 File dir = new file ("DirectoryName");     String[] Children = dir.list (); if (children = = null) {//either Dir does not exist or was not a directory} else {for (int i=0; I &l T Children.length;         i++) {//Get filename of file or directory String filename = children[i];     }}//It is also possible to filter the list of returned files.     This example does no return any files that start with '. '. FilenameFilter filter = new FilenameFilter () {public Boolean accept (File dir, String name) {return!         Name.startswith (".");     }     };        Children = dir.list (filter);        The list of files can also be retrieved as File objects file[] files = dir.listfiles (); This filter is returns directories FileFilter FileFilter = new FileFilter () {public Boolean accept (File         File) {return file.isdirectory ();     }     }; Files = Dir.listfiles (filefilter);   


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Share very useful Java programs (key code) (ii)---list files and directories

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