購入したボトルの数に基づいて顧客が支払う価格を計算することはできません。購入したボトルの量に関係なく、14ドルの値を返し続けます。以下のJavaコードを参照してください。
// PriceCalculator class that calculates the prices for customers
// counter controlled repetition
import java.util.Scanner; // program uses class Scanner
public class PriceCalculator
{
private String beginSale; // name of shop this price is calculated
// constructor initializes beginSale
public PriceCalculator( String name )
{
beginSale = name; // initializes shopName
} // end constructor
// method to set the shop name
public void setBeginSale (String name )
{
beginSale = name; // set the welcome address
} // end method setBeginSale
// method to retrieve the welcome address
public String getBeginSale()
{
return beginSale;
} // end method getBeginSale
// display a welcome message to the shopper
public void displayMessage ()
{
// getBeginSale gets the thank you address
System.out.printf( "Welcome to Price Calculator for Purchasing Wines at %s!\n",
getBeginSale() );
} // end method displayMessage
// determine charges based on 5 customers who shopped
public void calculatePrice()
{
// create scanner to obtain input from command window
Scanner input = new Scanner( System.in );
int basePrice; // base price of a bottle of wine
String customer; // name of customer
int gradeCounter; // number of customers to be entered next
int bottles; // number of bottles purchased
double discount; // discount value on the number of bottles
double rate;
double total; // total costs of wine purchased
// initialization phase
basePrice = 10; // initialize base price
gradeCounter = 1; // initialize loop counter
bottles = 1; // initialize bottles
discount = (basePrice * bottles); // initialize discount
rate = 0;
customer = null; // initialize customer name
// processing phase uses counter-controlled repetition
while ( gradeCounter <= 3 ) // loop 5 times
{
System.out.print( "Enter the name for customer " + gradeCounter + " : " ); // prompt
customer = input.next(); // input next name
System.out.print( "Enter the number of bottles for customer " + gradeCounter + " : "); // prompt
bottles = input.nextInt(); // input next bottles sold
gradeCounter = gradeCounter + 1; // increment counter by 1
discount = (basePrice * bottles) - (rate * bottles);
System.out.printf( "\nThe Price for Customer - %s is : $%.2f\n\n",
customer, discount );
} // end while loop
// calculate purchase based on number of bottles sold
if ( bottles <= 6 )
{
discount = (basePrice * bottles) - (rate * bottles); // calculates discount
}
else if
( bottles > 6 && bottles<= 12 )
{
discount = (basePrice * bottles) - (rate * bottles); // calculates discount
}
else if ( bottles > 48 )
System.out.println ( "It is forbidden to sell above the maximum range");
} // end method calculatePrice
} // end class PriceCalculator