Question: Create the Department class in a separate file. Modify the main method so that it obtains an input file from the command - line arguments.

Create the Department class in a separate file. Modify the main method so that it obtains an input file from the command-line arguments. If there is no command-line argument then start with an empty Department. Use the input file to populate the Department via the readDepartment method. Create extra Student and Employee objects and add them to the department. Prompt the user for an output file name and call the writeDepartment method to save the updated department contents.

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