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');

}

}