current Fpp
Returns the current false positive probability (FPP) of this filter.
Return
the probability that contains will erroneously return true given an element that has not actually been added to the filter.
See also
<a target="guavadoc" href="http://google. github. io/guava/releases/snapshot/api/docs/com/google/common/hash/Bloom Filter. html#put(T)">com. google. common. hash. Bloom Filter#put(T)</a>