A DESCRIPTION OF THE PROBLEM :
In the documentation of String.split it says: "If n is non-positive then the pattern will be applied as many times as possible and the array can have any length. If n is zero then the..."
But non-positive is used meaning negative but it is not correct. For further information see:
https://math.stackexchange.com/questions/1023616/difference-between-nonpositive-and-negative-numbers#1023619

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
"If n is negative then the pattern will be applied as many times as possible and the array can have any length. If n is zero then the..."
ACTUAL -
"If n is non-positive then the pattern will be applied as many times as possible and the array can have any length. If n is zero then the..."

URL OF FAULTY DOCUMENTATION :
https://docs.oracle.com/javase/8/docs/api/java/lang/String.html#split-java.lang.String-