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Null Pointer Exception

 
Corbin Blake
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Can anybody tell me how i can get rid of a null pointer exception, that happens in a runtime error.

Here are all my variables for the entire class:


here is my code
 
Mike Gershman
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Based on the code you showed, you never put a reference to a Sequence object into aStrand[i], so you can't modify the instance variable "sequence" of a nonexistant object. In short, aStrand contains 20 references to null.
[ November 13, 2004: Message edited by: Mike Gershman ]
 
Mike Gershman
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Try adding this after the declaration of aStrand:
 
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