(Process scores in a text file) Suppose that a text file contains an unspecified number of scores separated by blanks. Write a program that prompts the user to enter the file, reads the scores from the file, and displays their total and average

/*********************************************************************************
* (Process scores in a text file) Suppose that a text file contains an           *
* unspecified number of scores separated by blanks. Write a program that prompts *
* the user to enter the file, reads the scores from the file, and displays their *
* total and average.                                                             *
*********************************************************************************/
import java.io.*;
import java.util.*;

public class Exercise_12_14 {
	/** Main method */
	public static void main(String[] args) throws Exception {
		// Create a Scanner object
		Scanner input = new Scanner(System.in);

		// Prompt the user to a file
		System.out.print("Enter a file of scores: ");
		File file = new File(input.nextLine());

		// Check if file exists
		if (!file.exists()) {
			System.out.println("File " + file + " does not exist");
			System.exit(1);
		}

		int count = 0; 		// Counts scores
		double total = 0;	// Accumulates total

		try (
			// Create input file
			Scanner inputFile = new Scanner(file);
		) {
			while (inputFile.hasNext()) {
				total += inputFile.nextInt();
				count++;
			}
		}

		// Display results
		System.out.println("File " + file.getName());
		System.out.println("Total scores: " + total);
		System.out.println("Average scores: " + (total / count));
	}
}