UVM Simulation inquestasim 10.0b version

Can Anybody please tell me how to simulate UVM Program in Questasim 10.0b 

I'm getting the following errors for hello world program The program is in attached file.

# -- Compiling package my_pkg

# -- Importing package mtiUvm.uvm_pkg (uvm-1.0p1 Built-in)

# ** Error: hello_world/class.sv(4): (vlog-2163) Macro `uvm_component_utils is undefined.

# ** Error: hello_world/class.sv(4): near "(": syntax error, unexpected '(', expecting function or task

# -- Compiling module dut

# ** Error: hello_world/dut.sv(2): Undefined variable: dif.

# ** Error: hello_world/dut.sv(2): Illegal use of 'automatic' for variable declaration (dif).

# ** Error: hello_world/dut.sv(1): Identifier must be declared with a port mode: dif.

# ** Error: hello_world/inf.sv(4): near "m": syntax error, unexpected IDENTIFIER, expecting class

# ** Error: hello_world/top.sv(1): near "module": syntax error, unexpected module, expecting IDENTIFIER or TYPE_IDENTIFIER

# C:/questasim_10.0b/win32/vlog failed.

In the attached file program is there.

Please help me.