How to remember login password on a computer

Happy new year to all of you...
I had made a application which uses login and password for authentication..this is working fine..Now i want to give one option to remember the login and password for the specific computer..actually i dont have any idea on it..Plz give me some suggestion to solve this problem..i have used jsp for front end with struts framework..
Thanx in advance..
Gyan

This isn't hack safe. If one would hijack another user login, one could just change the username in the cookie value.
Better create a cookie with a long and autogenerated key or hash and store the key in a DB along the User ID. This makes the guessing for keys of another users hard. You can find here an example: [http://balusc.blogspot.com/2007/03/user-session-filter.html].

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