[Design of POJO Server] - Re: Metamodel and collections - jboss-dev-forums

Thursday, 15 November 2007

"wolfc" wrote : 
  | Code with an explicit check on null is twice as fast. So I would save 1ms for every
~100000 calls. :-)
  | 

More importantly referencing an empty collection uses more memory and slows down
garbage collection.

If only the new for() loop checked for null and didn't iterate instead of throwing an
NPE. ;-)

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