Question: String dataFileName is assigned a file's name read from input. The file is opened as a FileInputStream named gradeStream, and Scanner gradeFS may be used

String dataFileName is assigned a file's name read from input. The file is opened as a FileInputStream named gradeStream, and Scanner gradeFS may be used to read the file. Perform the following tasks:

Assign gradeGrade with the first character read from the file.

Output the value of gradeGrade followed by a newline.

Close the file.

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