How to get browser cookies in a servlet

Hi,
I need to use the browser cookie in my servlet, how can i get the browser cookies in a servlet
Thanks in advance

Thank you for ur reply, now i can create the cookies from the servlet,
and now i need to create the cookies from the javascript, i have the code, and it can also create the cookies, but they can be accessible for Encrypted connections only, but the cookies which will be created from java servlets can be accessible for any type of connections,
so please help me how to create cookies from the javascript and that should be accessible for any type of connections

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