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Drop down list fst u have to store in Database.

Drop down list fst u have to store in Database. .
Then create ur own customize cache and write logic for read data from table. Which will reduce the trip between ur application to Database. ......and ur cache should be singleton so to manage it and for flush proposal u have to use
CacheManager...

As per ur question what you want I just gave here theoritical explanation...
Just wait and let complete the class then I will provide you sample code 

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