The Java Developers Almanac 1.4

e20. Creating a File

    try {
        File file = new File("filename");
    
        // Create file if it does not exist
        boolean success = file.createNewFile();
        if (success) {
            // File did not exist and was created
        } else {
            // File already exists
        }
    } catch (IOException e) {
    }

Related Examples

e19. Determining If a File or Directory Exists
e21. Getting the Size of a File
e22. Deleting a File
e23. Creating a Temporary File
e24. Renaming a File or Directory
e25. Moving a File or Directory to Another Directory
e26. Getting and Setting the Modification Time of a File or Directory
e27. Forcing Updates to a File to the Disk

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

© 2002 Addison-Wesley.