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I was loading it into a list because I have to loop through the elements and remove/update the list if the item I'm currently processing is already there.

I might use your second option. Thank...

I do appreciate the fast responses and the help even if I'm not very forthcoming with information! I'll do better in the future.

repID is a string and I'm just concatenating it to a string, so yes, it would be a string.

And your question is the entire reason I posted here because I was thinking the same thing.

I think...

Yeah, you're right. Sorry about that. I am just trying to be careful, maybe too careful.

I think I may have been trying to do an add on a null value, which could have been causing the...

I didn't want to expose my architecture by posting the full stack trace. And the the stack trace indicates that the middle line : reportList.add(repID + "-0"); is causing the exception.

I'm not...

In the code below, StringUtils is a custom object we have to do certain operations. All I'm trying to do is take a delimited string, split it up into a list, add a new element to the List before...