Create a unique directory within a directory 'root' : Directory « File Input Output « Java

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Java » File Input Output » Directory Screenshots  Create a unique directory within a directory 'root'   import java.io.File; import java.io.IOException; public class Utils {   /**    * Create a unique directory within a directory 'root'    *     * @param rootDir    * @param seed    * @return unique directory    * @throws IOException    */   public static synchronized File createUniqueDirectory(File rootDir, String seed) throws IOException {       int index = seed.lastIndexOf('.');       if (index > 0) {           seed = seed.substring(0, index);       }       File result = null;       int count = 0;       while (result == null) {           String name = seed + "." + count + ".tmp";           File file = new File(rootDir, name);           if (!file.exists()) {               file.mkdirs();               result = file;           }           count++;       }       return result;   } }        Related examples in the same category 1.  Create directory 2.  Create directory along with required nonexistent parent directories 3.  Create directory tree (nested/cascade folders) 4.  Create a directories recursively 5.  Copying a Directory: Copies files under srcDir to dstDir, if dstDir does not exist, it will be created. 6.  Delete a non-empty directory: Deletes all files and subdirectories under dir. 7.  Listing the Files or Subdirectories in a Directory 8.  Listing the File System Roots 9.  The Directory Listing Application 10.  use list( ) to examine the contents of a directory: 11.  Reading and Printing a Directory Hierarchy 12.  Display a file system in a JTree view 13.  File Tree Demo 14.  File Table HTML 15.  A standalone program that deletes a specified file or directory 16.  Get Last modification time of a file or directory 17.  Set last modified time of a file or directory 18.  List contents of a directory 19.  Determine if file or directory exists 20.  Determine if File or Directory is hidden 21.  Check if a directory is not empty 22.  Get name of parent directory 23.  Get name of specified file or directory 24.  Get current directory 25.  Mark file or directory Read Only 26.  Rename file or directory 27.  Traversing all files and directories under dir 28.  Traversing only directories under dir 29.  Traversing only files under dir 30.  Creates and displays a window containing a list of files and sub-directories in a specified directory 31.  Calculate directory size 32.  Delete directory recursively 33.  Determining If Two Filename Paths Refer to the Same File 34.  Recursive directory deletion 35.  Recursivly delete directory 36.  Searches through the directory tree 37.  Starts at the directory given and tests to see whether it is empty 38.  Directory Walker 39.  Utility methods for handling files and directories 40.  Creates a new and empty directory in the default temp directory using the given prefix. 41.  Count files in a directory (including files in all subdirectories) 42.  Creates a new empty temporary directory. 43.  Get Files Recurse 44.  Recursively search a directory tree