++i; // seek forward
}
return i * 64 + Long.numberOfTrailingZeros(bitmap[i]);
}
@Override
<BUG>public int last() {
if(cardinality == 0) {
return 0;
}</BUG>
int i = bitmap.length - 1;

++i; // seek forward
}
return i * 64 + Long.numberOfTrailingZeros(bitmap[i]);
}
@Override
public int last() {
assertNonEmpty();
int i = bitmap.length - 1;
