4-6 TestAverage1

Post date: Feb 7, 2014 11:15:19 AM

//This program demonstrates a user controlled loop.

package testaverage1;

import java.util.Scanner; // Needed for the Scanner class

public class TestAverage1 

{

    public static void main(String[] args)

    {

            int score1, score2, score3; // Three test scores

            double average;                     // Average test score

            char repeat;                             // To hold 'y' or 'n'

            String input;                             // To hold input

            System.out.println("This program calculates the average of three test scores.");

            // Create a Scanner object for keyboard input.

            Scanner keyboard = new Scanner(System.in);

            // Get as many sets of test scores as the user wants.

            do

            {

                // Get the first test score in this set.

                System.out.print("Enter score1: ");

                score1 = keyboard.nextInt();

                // Get the second test score in this set.

                System.out.print("Enter score2: ");

                score2 = keyboard.nextInt();

                // Get the third test score in this set.

                System.out.print("Enter score3: ");

                score3 =keyboard.nextInt();

                // Consume the remaining newline.

                keyboard.nextLine();

                // Calculate and print the average test score.

                average = (score1 + score2 + score3) / 3.0;

                System.out.println("The average is " + average);

                System.out.println();// Prints a blank line

                // Does the user want to average another set?

                System.out.println("Would you like to average another set of test scores?");

                System.out.print("Enter Y for yes or N for no: ");

                input = keyboard.nextLine(); // Read a line.

                repeat =input.charAt(0); // Get the first char.

            }while(repeat=='Y' || repeat=='y');

    }

}