This sample demonstrates the use of code generation using Axis2/Java WSDL2Java
tool (Axis2/Java source revision 414253).

wsdl                 $AXIS2C_HOME/test/resources/wsdl/interoptestdoclitparameters.wsdl

Command to execute the code generation: 
WSDL2C.sh -uri Calculator.wsdl -u -d adb -ss
WSDL2C.bat -uri Calculator.wsdl -u -d adb -ss

Please check the instruction of $AXIS2C_SRC_HOME/c/tools/codegen/javatool/README.txt