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How are Observer and Observable used  RSS feed

 
Ravi Kiran Va
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Eclipse IDE Firefox Browser Redhat
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Hi ,

I sincerely apolizige if this is an interview question

Could anybody please tell me a real time scenario as where exactly this Observer and Observable would be used or preferable ??


Thanks in advance .

 
David Newton
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Any time you need to watch for certain events.
 
Lester Burnham
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Ravi Kiran Va
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Thanks David that one line answer you provided . It was nice .

Lester , thanks for the nice link .



 
It is sorta covered in the JavaRanch Style Guide.
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