import java.util.*;
public class Wk06Exercise3 
{
	public static void main(String[] args)
	{
		double[] pricesInPounds = new double[5];
		double exchangeRate = 0;
		double[] pricesInDollars = new double[5];
		
		pricesInPounds = enterPrice(pricesInPounds);
		exchangeRate = enterExchangeRate(exchangeRate);
		pricesInDollars = convertMethod(pricesInPounds, exchangeRate, pricesInDollars);
		
  		displayInPrices(pricesInPounds, pricesInDollars);
	}
	
	// Enter price of 5 Products
	private static double[] enterPrice(double[] pricesInPoundsIn)
	{
		Scanner sc = new Scanner(System.in);
		for (int i=0; i < pricesInPoundsIn.length; i++)
		{
			System.out.print("Please enter price: ");
			pricesInPoundsIn[i] = sc.nextDouble();
		}
		System.out.println();
		return pricesInPoundsIn;
	}
	
	// Enter exchange rate
	private static double enterExchangeRate(double exchangeRateIn)
	{
		Scanner sc = new Scanner(System.in);
		System.out.print("Please enter exchange rate: ");
		exchangeRateIn = sc.nextDouble();
		System.out.println();
		return exchangeRateIn;
	}
	
	// Converts Pounds to US Dollars
	private static double[] convertMethod(double[] pricesInPoundsIn, double exchangeRateIn, double[] pricesInDollarsIn)
	{
		for (int i=0; i < pricesInPoundsIn.length; i++)
		{
			pricesInDollarsIn[i] = pricesInPoundsIn[i] * exchangeRateIn;
		}
		
		return pricesInDollarsIn;
	}
	
	// Displays prices in Pounds and US Dollars
	private static void displayInPrices(double[] pricesInPoundsIn, double[] pricesInDollarsIn)
	{
		for (int i=0; i<pricesInPoundsIn.length; i++)
		{
			System.out.println("Prices in Pounds were: " + pricesInPoundsIn[i]);
		}	
		System.out.println();
		for (int i=0; i<pricesInDollarsIn.length; i++)
		{
			System.out.println("Prices in US Dollars are: " + pricesInDollarsIn[i]);
		}
	}
}