1 import java.util. Scanner;
 2 
 3 public class NewMain3 
 4 {
 5 
 6     public static int doubleThem (int num1)
 7     {
 8         num1 = num1 * 2;
 9         return (num1);
10     }
11 
12     public static int tripleThem (int num1)
13     {
14         num1 = num1 * 3;return (num1);
15     }
16 
17     public static int quadrupleThem (int num1)
18     {
19         num1 = num1 * 4;
20         return (num1);
21     }
22 
23     public static void main(String[] args) 
24     {
25         Scanner keyedInput = new Scanner(System.in);
26         int initialValue, choice;
27         System.out.println ("***********************");
28         System.out.println ("***CLASSY CALCULATOR***");
29         System.out.println ("***********************");System.out.println ("");
30         System.out.print ("Enter a number: ");
31         initialValue = keyedInput.nextInt();
32         System.out.println ("");
33         System.out.println ("Here are your options:");
34         System.out.println ("   1... Double the number");
35         System.out.println ("   2... Triple the number");
36         System.out.println ("   3... Quadruple the number");
37         System.out.print ("Please enter your choice: ");
38         choice = keyedInput.nextInt();
39         System.out.println ("");
40 
41         if (choice == 1)
42         {
43             System.out.println("That number has been doubled.");
44             System.out.println ("The result is: "+ doubleThem(initialValue));
45         }
46         else if (choice == 2)
47         {
48             System.out.println("That number has been tripled.");
49             System.out.println ("The result is: "+ tripleThem(initialValue));
50         }
51         else if (choice == 3)
52         {
53             System.out.println("That number has been quadrupled.");
54             System.out.println ("The result is: "+ quadrupleThem(initialValue));
55         }
56         else
57         {
58             System.out.println("Sorry, that was an invalid choice");
59         }
60         
61         System.out.println ("");
62         System.out.println ("***********************");
63         System.out.println ("***CLASSY CALCULATOR***");
64         System.out.println ("***********************");
65     }
66 }
67