Go to the %JDBC_HOME%\classes (Microsoft Windows) or $JDBC_HOME/classes (UNIX platforms) directory and enter:
java -jar jconn4.jar
This command prints a version string like the following:
jConnect (TM) for JDBC(TM)/7.07 ESD #4 (Build 26792)/P/EBF20144/JDK 1.6.0/jdbcmain/OPT/Thu Jun 7 23:57:39 PDT 2012
The version string has important information about jConnect:
7.07 is the version number.
ESD #4 indicates the ESD release number. GA indicates a General Availability release. ESD #n 1-OFF indicates a special release over an earlier ESD release.
Build 26792 indicates the build version of jConnect. This number increases as subsequent ESDs are released.
OPT indicates that the build is an optimized build. DEBUG indicates that the build is a debug build.
Sybase recommends that you check the Sybase download Web site periodically for updated versions of jConnect and download the latest version.