Fixed by Chrono79

Make something with Java test!
Errors at tests with size 4 and 100 (maibe more).
Or explain me why next result is not valid for size 4:
1,1,1,1
0,0,0,1
1,0,0,1
1,1,1,1

Actually, the problem was rather that it expected a List of Integers instead of a list of Longs. ;)

Corrected.

I try to "Run simple test". Then I see that test falled with message:
"expected: java.util.Arrays$ArrayList<[8, 118, 334]> but was: java.util.Arrays$ArrayList<[8, 118, 334]>"
This test expect List.
Fix it, please.

From the assignment: "Each snake or ladder will always end on a square with a 0, so you will only go up or down one at a time."