Please Need help how to select the chosen elements

[Amine BADID]

Hi All.
I retry because I need help, please.
> 
> I want to know how to select (color) the chosen elements in a drop-down list ?
> First, I've selected 3 elements from a drop-down list and I saved them and I 
> go to an other page.
> Next, I return to the page and I want to see these selected elements but 
> until now, They are not !
> I use java 6 and Struts 2.
> 
> Thank you in advance.
> 
> Amine