What we call to these fields as,

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IReportDetails reportDetails = null;
if (null == (IReportDetails)Session[StringConstants.reportDetails])
reportDetails = new ReportDetails();
else
reportDetails = (IReportDetails)Session[StringConstants.reportDetails];

In above code what we call to reportDetails in first line(object of interface or instance) and what is (IReportDetails) in second and last line , is it return type of StringConstants.reportDetails, if yes then what it (IReportDetails) will contain ?

Posted 1-Mar-12 19:57pm

durgeshtupkar10

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OriginalGriff · Answer 1 · 2012-03-01T21:10:00

Solution 1

Hopefully, that won't compile.
If it does, then someone needs to get smacked.
Classes starting with "I" should be Interfaces - which are never instantiated, and the compiler will not allow it. So the declaration of reportDetails should throw up a compiler error.

Posted 1-Mar-12 21:10pm

OriginalGriff