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What is the use of parent tag in component  RSS feed

 
Divya Janyavula
Greenhorn
Posts: 19
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I want to know a scenario where a parent tag can be used in component tag.

Also are components used in real time scenarios?
 
Kunal Lakhani
Ranch Hand
Posts: 622
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If i am not wrong, parent tag are used for inheriting the features from superclass (thus indicating that it extend some class)
 
It is sorta covered in the JavaRanch Style Guide.
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