How to find the file by name and identify its type?

Hi,
In a folder thare are many files, the file types are doc, docx, pdf, and rtf. The file name is something like "FirstName LastName(more extrat letters).filetype".
Now I would like to find all the files with a certain name and identify their types. For example, by input "Bill Gates", I would get the list of all files :
Bill Gates.doc, Bill Gates-2010.pdf etc ...
Any good ideas are welcome.
Pengyou

For finding files whose names match a certain pattern, create a FileFilter or FilenameFilter that returns true when the name matches the pattern in question, and then call list() or listFiles() with that filter.
For identifying the "type", that depends what you mean. File's don't actually have a type. It's just that they're interpreted as such in some contexts. The simplest thing is to just look at the extension. You can be more sophisticated than that, but that gets complicated real fast. It depends what you're actually trying to accomplish.

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P.S.
I much apologize for an error in back filename transformation. Correct is marked in bold red.

How to find the file by name and identify its type?

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