New in SAP - What additional skills are necessary?

Hi all,
I have recently done an internal move in my company and soon I am going to support SAP applications. I have been working , so far, for > 5 years supporting high availability e-Commerce J2EE applications.
From my first look on several forums I am a bit confused whether my acquired skills would be enough - in addition to the SAP training which I will get soon- in order to support SAP applications. Moreover, my main concern is whether I should get more involved on Java development, where the only practical experience is from university projects.
From what I see , having some development and scripting skills, combined with the SAP knowledge is highly required and is much more compensative than being a pure SAP system administrator.
What is your 2 cents on this issue?
Thanks in advance,

Hi Subhasha,
thanks a lot for your comprehensive response. Indeed, my main supporting tasks on the e-Commerce J2EE applications so far were configuration and tuning tasks , since coding is completely done from another department within the organization. Of course I have had strong knowledge (theoretical) of the JAVA technology and how java coding is done but I did not get the chance in my company to code. On the other hand I see that good SAP consultants here in Germany are the ones who perform coding along with the administration tasks, while they customize the SAP modules.
Let's see, I will start next month and I will see how it will go. The more I will learn the better view about SAP support I will get.
Kind regards,
Loukas

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