ev2Eka4E

1   /**
2    * Takes three arguments:- 
3    * claimValue - an int value representing the value claimed by the user in pounds
4    * verificationCode - A String representing the verification code printed on the card
5    * secretKey - a String representing the secret key used to validate the claim
6    *
7    * Iterates over the characters in the Strings adding the position of matches
8    * and subtracting the position of mis-matches to determine the prize value
9    * The claim is valid if the amount claimed is equal to the prize value determined.
10    * Returns a boolean value true if the claim is valid and false otherwise.
11    */
12   public boolean verifyWin(int claimValue, String verificationCode, String secretKey)
13   {
14        //create and initialise the prize variable to zero here
15        int prize = 0;
16        boolean result = false;
17        int iterations = 0;
18        // insert your loop here 
19       if (verificationCode.length() > secretKey.length())
20        {
21           iterations = secretKey.length();
22        }
23        else
24        {
25           iterations = verificationCode.length();
26        }
27       for (int i = 0; i < iterations; i++)
28       {
29           if (verificationCode.charAt(i) == secretKey.charAt(i))
30           {
31              prize = prize + i++;
32           }
33           else
34           {
35              prize = prize - i++;
36           }
37       }
38       // and return your value here
39       if (prize == claimValue)
40       {
41          result = true;
42       }
43       return result;
44   }