Enums, Structs and Abstract Type in julia

Faq.txt

Q1.How do we define enumeration in julia?
ans: We will use the enum keyword to define a enumerate in julia.

Q2.How can we access the fields of an enum?
ans: we should use :: operator to access the field in an enum.

Q3.How to create an object for a structure?
ans: varname= structure_name(parameter) , this is the syntax for creating an object of a structure.

Q4.What is the use of abstract types in julia?
ans:It allow the construction of a heirarchy of types.

Mcq.txt

Q1. What operator is use to inherit a abstract type from a structure:

a) <
b) >
c) <:
d) >:

ans: c)

Q2.What will be the output of the statements:

      @enum xom begin
          z=10+1
          f=9%2
      end

      println(z::xom)

a) Error
b) 1
c) 11
d) z

ans: d)

Q3) What will be the output in this statements:
  
      struct x
          a
          b
      end

      xr=x(1,2)
      println(xr)
      
a) 1,2
b) (1,2)
c) x(1,2)
d) xr(1,2)

ans: c)


Q4.What is the correct way to create an abstract type?

a) abstract name
b) abstract class name 
c) abstract class name end
d) None of the above

ans: c)