covariance and contravariance in java ?

Posted by JavaUser on Stack Overflow See other posts from Stack Overflow or by JavaUser
Published on 2010-03-23T15:14:01Z Indexed on 2010/03/23 16:13 UTC
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Hi ,

Please any one give me a good example for covariance and contravariance in Java . Why we go for this .

Thx

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