CODE EXAMPLE FOR JAVA

java sql query with parameters

   statement =con.prepareStatement("SELECT * from employee WHERE  userID = :userId");
   statement.setString(userId, userID);
   ResultSet rs = statement.executeQuery();
// Or, you can use ? in place of named value - :userId..

   statement =con.prepareStatement("SELECT * from employee WHERE  userID = ?");
   statement.setString(1, userID);