This program shows a "purchase order" using JOptionPane

JOptionPurchaseOrder.java

/***********************************************
* JOptionPurchaseOrder.java
* Aaron P. Clark
*
* This program calculates and prints a purchase order amount
***********************************************/

import javax.swing.JOptionPane;

public class JOptionPurchaseOrder
{
	public static void main(String[] args)
	{
		String itemName; // name of purchase item
		double price; 	 // price of purchase item
		int qty;		 // number of items purchased
		
		itemName = JOptionPane.showInputDialog("Name of purchase item:");
		price = Double.parseDouble(
			JOptionPane.showInputDialog("Price of one item:"));
		qty = Integer.parseInt(
		    JOptionPane.showInputDialog("Quantity:"));
		JOptionPane.showMessageDialog(null,
			"PURCHASE ORDER:\n\n" +
			"Item: " + itemName +"\nQuantity: " + qty +
			"\nTotal price: $" + price * qty);
	} // end main
} // end JOPtionPurchaseOrder