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Compile error message

Becky Wilson
Greenhorn

Joined: Oct 21, 2004
Posts: 1
I need help with a compiler message:
int cannot be dereferenced. Can anyone help with this?
Here is the code it is references:

decrypted = (index.charAt(0) - 7) + (index.charAt(1) - 7) + (index.charAt(2) - 7) + " " + (index.charAt(4) + 3) + (index.charAt(5)+ 3) + " " + (index.charAt(6) + 3) + (index.charAt(7) + 3) + (index.charAt(8) + 3) + (index.charAt(9) + 3);
//this is the calculation to decrypt the input and names it decrypted


Here is the actual compiler message:
int cannot be dereferenced

decrypted = (index.charAt(0) - 7) + (index.charAt(1) - 7) + (index.charAt(2) - 7) + " " + (index.charAt(4) + 3) + (index.charAt(5)+ 3)

the pointer is aimed at the . between the word index and charAt
Jeff Bosch
Ranch Hand

Joined: Jul 30, 2003
Posts: 805
Hi, Becky -

It's possible the error occurred on the line before the snippet, or that decrypted is an int (though that should give a different error). Can you provide the declaration for decrypted and index? Maybe I can help if I see more.

Thanks.


Give a man a fish, he'll eat for one day. Teach a man to fish, he'll drink all your beer.
Cheers, Jeff (SCJP 1.4, SCJD in progress, if you can call that progress...)
Amit Saini
Ranch Hand

Joined: Oct 20, 2004
Posts: 280
Hi,
You generally get this error if you are using the .operator on a primitive.
eg int i; i.(any function) will give you this error. Which is why you need to use wraper classes to perform those operations.

Whats the datatype of index?

-Amit
Jeff Bosch
Ranch Hand

Joined: Jul 30, 2003
Posts: 805
I created the following test program from your code, and it worked fine:



Could you have a typo in your source?
 
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subject: Compile error message