• Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 172
  • Last Modified:

Exection error

What does a null pointer execption mean? and is there a resource on the web where I can find what execption errors mean?

thanks for the help

orlando
0
Orlando15767
Asked:
Orlando15767
  • 4
  • 2
1 Solution
 
objectsCommented:
it means an attempt has been made to reference a variable whose value is null
0
 
objectsCommented:
eg.

String s = null;
int n = s.length();   // <--- NPE
0
 
Orlando15767Author Commented:
thanks

do you know of a web site where I can look up the meaning of errors?
0
Concerto Cloud for Software Providers & ISVs

Can Concerto Cloud Services help you focus on evolving your application offerings, while delivering the best cloud experience to your customers? From DevOps to revenue models and customer support, the answer is yes!

Learn how Concerto can help you.

 
objectsCommented:
your javadoc is probably a good place to start.
0
 
Orlando15767Author Commented:
okay, thanks
0
 
objectsCommented:
no worries :)
0

Featured Post

Free Tool: SSL Checker

Scans your site and returns information about your SSL implementation and certificate. Helpful for debugging and validating your SSL configuration.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

  • 4
  • 2
Tackle projects and never again get stuck behind a technical roadblock.
Join Now