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Java 7 Int to String casting

malik ge
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Joined: May 13, 2011
Posts: 69
Hi,

In java6 I think that I can do that:

Take the "id" value from session, cast it into string and store it into some String, and then by using Integer.parseInt I can change it into Int

But in Java7 when I do this, it gives an error that:


am I doing it the right way???
Mohamed Sanaulla
Saloon Keeper

Joined: Sep 08, 2007
Posts: 3071
    
  33

getAttribute returns an instance of type Object. So before casting it directly, its good to check instance of or better you can invoke toString on that instance (but do check for null before invoking toString).

There isn't any changes in Java 7 which would cause such a problem.

And the exception you are seeing might be due to the fact the the getAttribute("id") is actually a Integer and you are trying to cast it to String.


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malik ge
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Joined: May 13, 2011
Posts: 69
Thanks...
Miku Ranjan
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Joined: Oct 11, 2011
Posts: 98
Hi,
I think you are storing Integer against key id in session right ?
 
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