The Java Developers Almanac 1.4

e29. Creating a Directory

    // Create a directory; all ancestor directories must exist
    boolean success = (new File("directoryName")).mkdir();
    if (!success) {
        // Directory creation failed
    }
    
    // Create a directory; all non-existent ancestor directories are
    // automatically created
    success = (new File("directoryName")).mkdirs();
    if (!success) {
        // Directory creation failed
    }

Related Examples

e28. Getting the Current Working Directory
e30. Deleting a Directory
e31. Listing the Files or Subdirectories in a Directory
e32. Listing the File System Roots
e33. Traversing the Files and Directories Under a Directory

See also: Encodings    Filenames and Pathnames    Files    Parsing    Reading and Writing    Serialization

© 2002 Addison-Wesley.