Java io, sort by date question

I have what I hope is a quick question - I am trying to open the oldest file in a given directory. The filenames are randomly generated, so the only criteria I have to search on is the create/mod date.
Any ideas?
thanks so much!

Get all the files into an array. (You can do this with one line of code, have a look at the API documentation for java.io.File.)
Scan the array and keep track of the entry that has the oldest last-modified date.

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Java io, sort by date question

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