package lab7exercise4;

import java.util.Scanner;

/**
 *Scanner scan = new Scanner(System.in);
 * @author huanmingan
 */
public class Lab7exercise4 {

    static final int NUMBER_OF_CHECKOUTS = 6, MAX_TAKING = 1000000;

    public static void main(String[] args)
    {
      double[] checkoutList = new double[NUMBER_OF_CHECKOUTS];
      inputTakings(checkoutList);
      outputTotal(checkoutList);
    }

    private static void inputTakings(double[] checkoutList)
    {
        Scanner scan = new Scanner(System.in);
        for (int index = 0; index < checkoutList.length; index++)
      {
         System.out.print("\tEnter takings for checkout number ");
         System.out.print((index + 1) + ": ");
         checkoutList[index] = scan.nextDouble();
         while (checkoutList[index] < 0 || checkoutList[index] > MAX_TAKING)
         {
            System.out.print("\tImpossible! - enter takings for checkout number ");
            System.out.print((index + 1) + " again: ");
            checkoutList[index] = scan.nextDouble();
         }
      } //To change body of generated methods, choose Tools | Templates.
    }

    private static void outputTotal(double[] checkoutList)
    {
      System.out.println();
      int sum=0;

      for (double i : checkoutList)
          sum+=i;
      System.out.println("\t The total takings for the supermarket is: " + sum);
    }
}