import javax.swing.*;

public class CashierThree {	
	public void ringUpCustomer() {
		String item;
		double total = 0.0, milkPrice = 3.50, bottleWaterPrice = 1.0;
		double sugarPrice = 1.25;
		
		do 
		{
			item = JOptionPane.showInputDialog("Enter Item Description");
			if (item.equals("milk")) 
			{
				total = total + milkPrice;
			} 
			else if (item.equals("bottleWater")) 
			{
				total = total + bottleWaterPrice;
			} 
			else if (item.equals("sugar")) 
			{
				total = total + sugarPrice;
			}
			
		} while (!item.equals("end"));
		
		JOptionPane.showMessageDialog(null, "Amount Due: $" + total);
	}
}