How to know wether we are using Webdynpro ABAP or JAVA & What was the sap version we are working i.e. ECC 6.0 or Ecc with EHP 2 or 3 etc?

Hi,

Could you please any body tell me about how can we identify webdynpro abap & java . Becuase I am newly learning webdynpro and practicing programs in SE80 . So I have a confusion wether it is webdypro abap or java I am using.

And also how Can I got know the exact information about the Centeral component version of my SAP . What will be the link between ECC version and portal version? whati s EHP 2 or 3 or 5 etc ? was it portal version or ECC version?

Regards,

Kumar