question: private static int capacity ( int expectedMaxSize ) { return ( expectedMaxSize > MAXIMUM_CAPACITY / 3 ) ? MAXIMUM_CAPACITY : ( expectedMaxSize <= 2 * MINIMUM_CAPACITY / 3 ) ? MINIMUM_CAPACITY : Integer . highestOneBit ( expectedMaxSize + ( expectedMaxSize << 1 ) ) ; }
target:  Returns the appropriate capacity for the given expected maximum size. Returns the smallest power of two between MINIMUM_CAPACITY and MAXIMUM_CAPACITY, inclusive, that is greater than (3  expectedMaxSize)/2, if such a number exists.  Otherwise returns MAXIMUM_CAPACITY.