/*
    Exer02.java
    CIS 160
    David Klick
    2015-09-02

    Demonstrates JOptionPane input and output
    
    Note: This program will crash if the user enters something unexpected.
*/

import javax.swing.JOptionPane;

public class Exer02 {
    public static void main(String[] args) {
        // Declare variables
        double length;
        double width;
        double area;
      
        // Get length and width from user
        String strLength = JOptionPane.showInputDialog("Enter length of rectangle");
        String strWidth = JOptionPane.showInputDialog("Enter width of rectangle");
      
        // Turn input into numbers
        length = Double.parseDouble(strLength);
        width = Double.parseDouble(strWidth);
      
        // Calculate area
        area = length * width;
      
        // Display area
        JOptionPane.showMessageDialog(null, "The area is " + area);
    }
}