Thread: input.next and taking ints and doubles

Hi all,

I am writing a program (weekly assignment) that takes numbers from a text file called Q2.txt, ignores white space, and gives the user a printout of the sum total and average of all the numbers in the text file.

I have it working, but i can only make it work for doubles or integers only.
I'll get full marks for what i have below, but for personal interest, i'd like to know how to make the program work for any and all number formats.

How can i make it work for both ints and doubles?

my Q2.txt is contains = 5.0 5.0 5.0 5.0

Program returns : Average = 5.0, total = 20.0

Thanks for any and all advice

EDIT: I rewrote my test file Q2.txt with a mix of doubles and ints and it worked.
So can i change my question to: Is this best practice? How can i improve this?

import java.io.*;
import java.util.Scanner;
 
public class Q2
{
	//Open main method and throw any exceptions.
	public static void main(String[] args)
	throws Exception
	{
		//input from file called Q2.txt
		Scanner input = new Scanner(new File("Q2.txt"));
		//initialise variables for total and counter
		double sum = 0.0;
		int counter = 0;
		//while there is still scores in the file unread, read them, add to the total and increment the counter
		while (input.hasNext())
		{
			sum += input.nextDouble();
			counter++;
		}
		//divide the sum by the counter
		double average = sum / counter;
 
		//print the results
		System.out.println("The total of the scores in Q2.txt is " + sum);
		System.out.println("The average of the scores in Q2.txt is " + average);
		//close user input
		input.close();
	}
}