Use the getExtension() method of the FilenameUtils class to retrieve the file extension, and then determine the file type based on the extension.
Use the Files.probeContentType() method to identify the MIME type of a file, and then determine the file type based on the MIME type.
We can use the guessContentTypeFromName() method of the URLConnection class to obtain the MIME type of a file, and then determine the type of file based on the MIME type.
Use the Files.probeContentType() method to retrieve the MIME type of a file, and then determine the file type based on the MIME type.
Utilize the Files and Path classes in NIO to retrieve the Magic Number of a file, then determine the file type based on the Magic Number.
