• Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Liutauras Vilda
  • Campbell Ritchie
  • Tim Cooke
  • Bear Bibeault
  • Devaka Cooray
Sheriffs:
  • Jeanne Boyarsky
  • Knute Snortum
  • Junilu Lacar
Saloon Keepers:
  • Tim Moores
  • Ganesh Patekar
  • Stephan van Hulst
  • Pete Letkeman
  • Carey Brown
Bartenders:
  • Tim Holloway
  • Ron McLeod
  • Vijitha Kumara

ArrayList Exceptions  RSS feed

 
Greenhorn
Posts: 8
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
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
Posts: 16
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator


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
Greenhorn
Posts: 8
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Thank you, should've seen that :p.
  • Post Reply Bookmark Topic Watch Topic
  • New Topic
Boost this thread!