Java - String split() Method, zero and negative limit

The limit parameter controls the number of times the pattern is applied and therefore affects the length of the resulting array. We have 3 possible values for this limit:

1. If the limit n is greater than zero then the pattern will be applied at most n - 1 times, the array's length will be no greater than n, and the array's last entry will contain all input beyond the last matched delimiter.

2. If n is non-positive then the pattern will be applied as many times as possible and the array can have any length.

3. If n is zero then the pattern will be applied as many times as possible, the array can have any length, and trailing empty strings will be discarded.

You can read more here.

Str.split("-",0) is the same as Str.split("-")

Str.split("-", 0) is equivalent to Str.split("-"). I.e, there's no limit.