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  Question Asked By: Ketan Dave   on Apr 24 In Java Category.

  
Question Answered By: Geena Ma.   on Apr 24

You can use AJAX technics. With AJAX you don't need to refresh  your page. For example, you may want to check the server  at each 30 seconds for change  by calling a server method from the client.

If you have a caching mechanism this check won't make the server much busy.

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