Java EE (Java Enterprise Edition) General Discussion

hi

i am new to cookies....i read that cookie is a small file..that is creted and stored at the client's hard disk..... since it is stored at the client's side..anybody can change the data..that is the disadvantage of cookie... so can anyone help and tell where can i find cookie...i want to see that file and know actually what happens.........how an unauthorized person can change the content of the cookie..........

regards,
Akshatha