// Project: ComputeAverage
// Module: ave3
// Source code file: Average.java
// Enter quiz scores as double values at the keyboard.
// Terminate the list with Control-D.
// Output average of scores.

import java.lang.*;
import java.util.Scanner;
public class Average {
    public static void main(String[ ] args) {
        Scanner s = new Scanner(System.in);
        double sum = 0.0;
        int count = 0;
        System.out.println("Enter quiz scores as " +
            "double values, one per line");
        System.out.println("Terminate input list with ^D.");
        while (s.hasNextLine( )) {
            double score = Double.parseDouble(s.nextLine( ));
            sum += score;
            count++;
        }
        if (count > 0) {
            System.out.println("Average: " + sum / count);
        }
        else {
            System.out.println("No scores were input.");
        }
    }
}