i want to store pdf files in server. that's name must be unic. in asp i use
System.GuId.NewGuid().ToString(), this method generate one hexadecimal digit, that
have 16 figure and is random and probably(most probably) is unic. we can append this
code to my pdf file name and result is one unic name. is there same method in java? if
there isn't, do you know how can do this work?