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From Libo Yu <yu_l...@hotmail.com>
Subject question about job class
Date Sat, 10 May 2014 20:33:22 GMT

I have a question about the Job class.
Here is its declaration.
public class Job extends JobContextImpl implements JobContext 

JobContextImpl already implements JobContext. Why is it declared here that Job implments JobContext?
Is it necessary? Thanks.

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