javaAlgorithms/BookClubPoints.java at master · ZevUhuru/javaAlgorithms · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
import javax.swing.JOptionPane;

/**@author Lemuel M. Uhuru
 * @Date   June 19, 2013
 * Book Title: From Control Structures through Objects by Tony Gaddis
 * Page: 191 Challenge: Book Club Points
 *
 * @Description Write a program that asks the user to enter the number
 * of books that he or she has purchased this month and then displays
 * the number of points awarded.
 */

public class BookClubPoints {

	public static void main(String[] args) {
		// Declare variable to hold number of books purchased
		int numBooks;

		// Prompt user for number of books and store in temporary variable
		String input1 = JOptionPane.showInputDialog("Enter the number of monthly books purchased");

		// Convert user input to data-type int
		numBooks = Integer.parseInt(input1);

		// Design if-else structure to display the appropriate amount of
		// points earned given the quantity of books purchased for the month.

		if(numBooks >= 0)
			if(numBooks == 0)
				JOptionPane.showMessageDialog(null, "Books Purchased: " + numBooks + "\nPoints Earned: 0");
			else if(numBooks == 1)
				JOptionPane.showMessageDialog(null, "Books Purchased: " + numBooks + "\nPoints Earned: 5");
			else if(numBooks == 2)
				JOptionPane.showMessageDialog(null, "Books Purchased: " + numBooks + "\nPoints Earned: 15");
			else if(numBooks == 3)
				JOptionPane.showMessageDialog(null, "Books Purchased: " + numBooks + "\nPoints Earned: 30");
			else
				JOptionPane.showMessageDialog(null, "Books Purchased: " + numBooks + "\nPoints Earned: 60");
		else
			JOptionPane.showMessageDialog(null, "Invalid input");


	}

}