A good answer might be:

Yes—if the pathName of the File object does not name an existing file or an existing directory, then both methods return false. However, if the thing named by pathName does exist, then one method or the other returns true (but not both).

End of the Chapter

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File objects
Constructor for File objects
Path names.
exists() method.
Use of File object in Stream constructors.
Improved file copy program
Methods of File.

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