How to join two strings?

Question

Ruby on Rails

name1 = "Brad"
name2 = "Pit"

How professionally, in one line of code, to connect these two variables?
If both are not nil then connect like this Brad Pit .
If one of them is nil then write the one that is not nil .
If both are nil then just ''

Answer 1

['Brad', 'Pit'].compact.join(' ')