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ArrayList Exceptions  RSS feed

 
Greenhorn
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Hey guys, playing around with ArrayLists and trying to calculate various things with Rainfall using one. However, it keeps throwing exceptions whenever I try to interact with the ArrayList itself and I can't figure out why. Any hints or tips in the right direction would be appreciated, thanks.

 
Greenhorn
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Your constructor is wrong, if you intend to use rainfall outside of it.

It should be



The way you currently have it is creating a local scope variable rainfall.
 
Gus Smith
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Thank you, should've seen that :p.
 
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