The Universal Verification Methodology (UVM) is a standard verification methodology from the Accellera Systems Initiative that was developed by the verification community for the verification community. UVM represents the latest advancements in verification technology and is designed to enable creation of robust, reusable, interoperable verification IP and testbench components.

Difference b/w  send_item(), and `uvm_do_* ?
Ans:
     `uvm_do_* will create before randomization and call send_request(), but send_item() will not create instance of item and won't randomize it just it will call wait_for_grant();  

Hii friends......

This is Nagesh, Working as Verification Engineer.