I have an SQL statement as follows
select c form t where c in ('a', 'b', 'c');

Now to use JDBC and PreparedStatement feature. I would like to write the SQL as

select c form t where c in (?, ?, ?);
and then use setString three times for setting my variables.

but due to the fact that the values are not predetermined and are dynamic i would like to use something like

select c form t where c in (?);
and use soemthing with which i can replace with "'a', 'b', 'c'".

How can this be done?