//ArgumentDemo.java

import java.util.Scanner;

/**
 * A demonstration of using indexed variables as arguments.
 */
public class ArgumentDemo
{
    public static void main(String[] args)
    {
        Scanner keyboard = new Scanner(System.in);
        System.out.println("Enter your score on exam 1:");
        int firstScore = keyboard.nextInt();
        int[] nextScore = new int[3];

        for (int i = 0; i < nextScore.length; i++)
            nextScore[i] = firstScore + 5 * i;

        for (int i = 0; i < nextScore.length; i++)
        {
            double possibleAverage = getAverage(firstScore, nextScore[i]);
            System.out.println("If your score on exam 2 is "
                + nextScore[i]);
            System.out.println("your average will be "
                + possibleAverage);
        }
    }

    public static double getAverage
    (
        int n1,
        int n2
    )
    {
        return (n1 + n2) / 2.0;
    }
}