new_2

// Code your testbench here
// or browse Examples
// Code your testbench here
// or browse Examples
// Code your testbench here
// or browse Examples
class animal;
   int age=-1;
  function new(int a /*= 20*/);
      age = a;
   endfunction : new
endclass : animal
class lion extends animal;
   function new();
     super.new();
   endfunction : new
endclass : lion
module test();
  animal a;
  lion l;
  initial begin
    l = new(); // l = new() will work
    $display("@@@@ age is %0d",l.age);
  end
endmodule