Help is available for each task.
Task 1
Create a Frame to use as a parent and then create a FileDialog
attached to that frame with a title of "Open". Show the file dialog.
The current thread will block (unlike a pure Dialog object).
Print to standard output the filename you typed in or selected--handle a null
value gracefully. Do not forget to dispose of the frame you created.
While selecting a file from the list works, unfortunately, typing in a file
name that does not exist does not work. The file dialog leaves the
".*.*" on the end of your filename. Try typing in "foo" and
the file dialog will give you an error. Be aware of this idiosyncrasy. With some
platforms, FileDialog reports that the file does not exist
before you can see it in Java and requires the user to enter another name or to
select 'Cancel'.
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