env.sv

class our_env extends uvm_env;
`uvm_component_utils (our_env)

//instantiate classes
        our_agent agnt;                 //initiated the agnt class we created

//constructor
function new(string name="our_env", uvm_component parent = null);
    super.new(name, parent);    //to access all base class properties

    //build phase
        function void build_phase(uvm_phase phase);
            agnt = our_agent :: type_id :: create("agnt", this);    //this is we created a new object
        endfunction

endclass : our_env