Ruby

Yes ✘ No, a constant cannot be assigned within the body of a method. ✘ No, a dynamic constant assignment is not allowed. ✘

Creates a instance object ✘ Creates a class object ✘ Creates a Reg_exp object ✘ None of these ✔

Superclass ✘ Module ✘ Class is the superior class ✘ Packages ✔

The method might throw an unexpected error ✘ It should be used cautiously ✘ Both of these ✘ None of these ✔

It must be bound to a receiver object using #bind.

✘

It must be bound to an instance object using #=.

✘

It must be copied to a receiver object using #initialize_copy.

✘ None of these ✔

#bind

✘

$new

✘

#map

✘

@bind

✔

Class objects ✘ Inherited objects ✘ Arrays ✘ Symbols ✔

1 ✘

It converts a relative path to a physical path. ✘ It converts a physical path to a relative path. ✘ It converts a relative path to a qualified path. ✘ It converts a qualified path to a physical path. ✔

Kernel#caller

✘ Exception.backtrace ✘ Both of these ✘ None of these ✔