On 12/15/2010 3:10 PM, Mike Duigou wrote:
Under what circumstances is null returned and why is it safe to ignore it? Is 
the handling of null related to the lack of a default label on the switch? ie. 
It is intentional that action is only taken with the 3 specified commands and 
null is just in the set of cmd values requiring no special action.
The latter ie. the 3 specified commands, if null continue with the processing with no special action, I have asked for a clarification of the behavior of nulls in the switch statement the current stand from the coin folks is that a value for null will throw an NPE.

Kumar

It makes me nervous whenever I see "pretend this never happened" handling for 
null.

Mike

On Dec 15 2010, at 14:45 , Kumar Srinivasan wrote:

Hi,

Could you please review this simple  fix, it guards the switch value from a 
null.

http://cr.openjdk.java.net/~ksrini/7007157/webrev.00/

Thanks
Kumar




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