Hi @Saiganesh@2028: In my view, the support community is focused on solving and sharing the problems faced by the community. If you are preparing for a interview, I suggest to go through the training materials and relevant docs.

Some academy and docs content related to your topic below. If you have any questions / clarifications related to any specific functionality (or) if you are facing a specific issue, please feel free to reach back to the community.

Enterprise Class Structure

Classes and class hierarchy

Understanding class layers

Thanks.