How to represent nested data in primefaces datatable

How to represent nested data in primefaces datatable

References

Reference NO 1

http://stackoverflow.com/questions/13649578/how-to-represent-nested-data-in-primefaces-datatable

Reference NO 2

http://stackoverflow.com/questions/13186965/primefaces-selecting-rows-from-nested-datatables

Reference NO 3

http://forum.primefaces.org/viewtopic.php?f=3&t=20130

Reference NO 4

http://www.coderanch.com/t/583689/JSF/java/Row-Data-Nested-Datatable

Reference NO 5

http://www.java2s.com/Questions_And_Answers/JSF/PrimeFaces/dataExporter.htm

Reference NO 6

https://forums.oracle.com/thread/1719032

Reference NO 7

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Reference NO 8

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