Quesiton on Dimensioning an Array

[Dimster]

Where I have 3 different arrays with the following Dimensions

Dim Array1(1 To 0)
Dim Array2(1 To 1)
Dim Array3(0 To 1)

Is that middle Array2 the same as Dim Array2(0) or would it be the same as Dim Array2(1)? 
Thanks