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HELP-- else if not compiling like it should

I wrote the following program,but the elseif statement that decides how much of a discount to give keeps giving me an illegal start of type error....I cant figure out whats up. or what an illegal start is.


/************************************************************************
File: LogicErrors.java
 
This program reads in the items in a customer order for a company.  The item
number is read, the quantity, and the price per item.  A reduction of 10% is given
on items if 100 or more are ordered. A 20% reduction for 1000 or more items.  
In addition, another 20% reduction is given if the total bill exceeds $100,000.

For each item, the total cost and the amount saved is printed.

At the end the total order cost is printed along with the total amount of savings due to
item discounts and total bill discounts.

*************************************************************************/

import javax.swing.JOptionPane;
import java.text.NumberFormat;

public class LogicErrors{

      public static void main ( String args[] ){
      
            final double DISCOUNT1000 = 0.20;
            final double DISCOUNT100  = 0.10;
            final double GRAND_DISCOUNT = 0.20;

            String temp;
            String outputString = "";
         int   itemNo,
                        quantity;                       // quantity ordered

         double itemPrice,                         // Price of an item
                        totalItemPrice,            // total price of the item including discount
                        totalBill,
                        itemDiscount,                   // quantity discount on the item
                        totalItemDiscounts,
                        grossDiscount;
   
            NumberFormat money = NumberFormat.getCurrencyInstance();
                               
         
         totalBill = 0;
            totalItemDiscounts = 0;
            
            temp =  JOptionPane.showInputDialog("Enter the item number (enter 0 to stop): ");      
            itemNo = Integer.parseInt(temp);
                                     
          while (itemNo != 0)                    
         {                                      
                  temp = JOptionPane.showInputDialog("Quantity ordered: ");        
                  quantity = Integer.parseInt(temp);
                                   
                  temp = JOptionPane.showInputDialog("Price per item: $");    
            itemPrice = Float.parseFloat(temp);
               
                  // calculate the total cost of the items purchased including any discount
                  itemDiscount = 0;
                  totalItemPrice = itemPrice * quantity;

            if (quantity > 1000)
                  itemDiscount = DISCOUNT1000 * itemPrice;
                        else if (quantity >= 100 && <1000)
                  itemDiscount = DISCOUNT100 * itemPrice;
            else
            
            
            
                  totalItemPrice -= itemDiscount;
     
             totalBill += totalItemPrice;    
                  totalItemDiscounts = itemDiscount;
       
                  outputString += "Item number:" + itemNo + "   Quantity: "  + quantity + "  Cost per item: " + money.format(itemPrice);
                  outputString += "\nTotal for this item: " + money.format(totalItemPrice) + "   Savings on the item: " + money.format(itemDiscount) + "\n\n";
       
                    temp =  JOptionPane.showInputDialog("Enter the item number (enter 0 to stop): ");      
                  itemNo = Integer.parseInt(temp);
            }
            
            grossDiscount = 0;

            if ( totalBill >= 100000 )
            {
                  grossDiscount = GRAND_DISCOUNT * totalBill;
                  totalBill -= grossDiscount;
            }
            
          outputString += "\n\nTotal order cost is: " + money.format(totalBill) + "   Total savings: " + money.format(totalItemDiscounts + grossDiscount);                  
   
             JOptionPane.showMessageDialog ( null, outputString, "Invoice", JOptionPane.INFORMATION_MESSAGE );
            System.exit(0);                          
      
      } // end main

} // end class LogicErrors                                  
0
lusius188
Asked:
lusius188
1 Solution
 
Ajay-SinghCommented:
> else if (quantity >= 100 && <1000)
should be

else if(quantity >= 100 and quantity <1000)
0
 
CEHJCommented:
>>else if (quantity >= 100 && <1000)

should be

else if (quantity >= 100 && quantity <1000)
0
 
Ajay-SinghCommented:
sorry about typo, it should be

else if(quantity >= 100 && quantity <1000)
0
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lusius188Author Commented:
It actually compiles now which is awesome....but it completely screws up when you have anything about 1000 for quantity. I get values like 0 or .80 if im lucky....grrrr.....
0
 
Ajay-SinghCommented:
>>>>

                  else if (quantity >= 100 && <1000)
               itemDiscount = DISCOUNT100 * itemPrice;
          else
         


>>>>>>

I believe you should remove the else statement
0
 
Weiping DuSenior Web DeveloperCommented:

- change if (quantity > 1000)  to if (quantity >= 1000)

- I believe   totalItemDiscounts = itemDiscount;  should be  totalItemDiscounts = totalItemDiscounts + (itemDiscount * quantity);

- I think that  outputString += "\n\nTotal order cost is: " + money.format(totalBill) + ...
  should be    outputString += "\n\nTotal order cost is: " + money.format(totalBill - totalItemDiscounts - grossDiscount) + ...
0
 
SamsonChungCommented:
Java refresh.

I know its annoying. but {} are very useful

if (quantity > 1000)
               itemDiscount = DISCOUNT1000 * itemPrice;
                    else if (quantity >= 100 && <1000)
               itemDiscount = DISCOUNT100 * itemPrice;
          else

rewrite to

if (quantity > 1000){
  itemDiscount = DISCOUNT1000 * itemPrice;
} else if (quantity >= 100 && quantity<1000){
  itemDiscount = DISCOUNT100 * itemPrice;
} else {
  //else block
}

This will save your bacon every time.
0
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