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String nameOfFile is assigned a file's name read from input. The file is opened as a FileInputStream named gradeFStream, and Scanner gradeFileFS may be used

String nameOfFile is assigned a file's name read from input. The file is opened as a FileInputStream named gradeFStream, and Scanner gradeFileFS 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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