Direct static references to the Debug class are no longer supported, but exist in deprecated form in the com.sybase.utils package.
import com.sybase.jdbcx.SybDriver;
import com.sybase.jdbcx.Debug;
.
.
.
SybDriver sybDriver =
SybDriver)Class.forName
("com.sybase.jdbc4.jdbc.SybDriver") newInstance();
Debug sybDebug = sybDriver.getDebug();
sybDebug.debug(true, "ALL", System.out);
A complete list of SAP jConnect extensions is in the SAP jConnect Javadoc documentation located in the docs/ directory of your SAP jConnect installation directory.