julia> t = String[]
String[]
julia> push!(t,"a string")
1-element Array{String,1}:
"a string"
julia> t
1-element Array{String,1}:
"a string"
Another way
julia> w = Vector{String}()
String[]
julia> push!(w,"another string")
1-element Array{String,1}:
"another string"
julia> w
1-element Array{String,1}:
"another string"