From the SQLA 16 Documentations:
The jConnect driver is available as a separate download at http://www.sybase.com/products/allproductsa-z/softwaredeveloperkit/jconnect. Documentation for jConnect can also be found on the same page.
To use JDBC from an applet, you must use the jConnect JDBC driver to connect to SQL Anywhere databases.
Is there an updated Link available ?