title: Error "symbol not found" and multiplication error
body: <p>Why do I keep getting the error</p>
  
  <blockquote>
    <p>symbol not found</p>
  </blockquote>
  
  <p>for <code>hamburger</code>, <code>cheeseburger</code>, etc.? I also am getting an error for the <code>*</code> sign. I used a template to create this program. I don't understand why it is not compiling.</p>
  
  <pre><code>import java.util.Scanner;
  import java.text.NumberFormat;
  
      public class Assignment2
      {
      public static void main (String[] args)
      {
      final (double) HAMBURGER_COST = 2.75;
      final (double) CHEESBURGER_COST = 3.25;
      final (double) FRENCHFRIES_COST = 2.50;
      final (double) BEVERAGE_COST = 1.50;
  
      String hamburger, cheeseburger, fries, beverages;
      Scanner in = new Scanner(System.in);//allows user input
  
  
      System.out.println("Welcome to the In-N-Out Burger menu:");
      System.out.println("______________________________________");
      System.out.println("Hamburger $2.75");
      System.out.println("Cheeseburger $3.25");
      System.out.println("French Fries $2.50");
      System.out.println("Shake &amp; Beverage $1.50");
  
      System.out.print("How many hamburger(s) would you like to buy?");
      hamburgers  = scan.nextInt();
      System.out.print("How many cheeseburger(s) would you like to buy?");
      cheeseburgers = scan.nextInt();
      System.out.print("How many French fries would you like to buy?");
      fries = scan.nextInt();
      System.out.print("How many drinks would you like to buy?");
      beverages = scan.nextInt();
  
      double hamburgerCost = (double)HAMBURGER_COST * hamburger;
      double cheesebugerCost = (double)CHEESBURGER_COST * cheeseburger;
      double frenchfriesCost = (double)FRENCHFRIES_COST * fries;
      double beverageCost = (double)BEVERAGE_COST * beverages;
      double orderCost = (double)hamburgerCost +  (double)cheesebugerCost + 
      (double)frenchfriesCost + (double)beverageCost;
      int numberItems = Hamburgers + Cheesburgers + Fries + Beverages;
  
      NumberFormat fmt1 = NumberFormat.getCurrencyInstance();
      System.out.println("Hamburger Cost : " + fmt1.format(hamburgerCost));
      System.out.println("Cheeseburger Cost : " + fmt1.format(cheesebugerCost));
      System.out.println("French Fries Cost : " + fmt1.format(frenchfriesCost));
      System.out.println("Order Cost : " + fmt1.format(beverageCost));
      System.out.println("Shake &amp; Beverage Cost : " + fmt1.format(beverageCost));
      System.out.println("Total number of items ordered : " + numberItems);
      }
      }
  </code></pre>