Using Java to execute static and dynamic SQL
DB2 UDB for z/OS supports SQLJ and JDBC. In general, Java applications use SQLJ for static SQL and JDBC for dynamic SQL. 
By using the Java programming language you gain the following key advantages:
You can write an application on any Java-enabled platform and run it on any platform to which the Java Development Kit (JDK) is ported.
You can develop an application once and run it anywhere, which offers the following potential benefits:
Reduced development costs
Reduced maintenance costs
Reduced systems managements costs
Flexibility in supporting diverse hardware and software configurations
SQLJ support
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