jtds
· TDS is an open source 100% pure Java (type 4) JDBC 3.0 driver
for Microsoft SQL Server (6.5, 7, 2000 and 2005) and Sybase (10, 11, 12, 15).
jTDS is based on FreeTDS and is currently the fastest production-ready JDBC
driver for SQL Server and Sybase. jTDS is 100% JDBC 3.0 compatible, supporting
forward-only and scrollable/updateable ResultSets, concurrent (completely
independent) Statements and implementing all the DatabaseMetaData and
ResultSetMetaData methods.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window jtds-1.2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.