question: AbstractSpinedBuffer ( int initialCapacity ) { if ( initialCapacity < 0 ) throw new IllegalArgumentException ( "Illegal Capacity: " + initialCapacity ) ; this . initialChunkPower = Math . max ( MIN_CHUNK_POWER , Integer . SIZE - Integer . numberOfLeadingZeros ( initialCapacity - 1 ) ) ; }
target:  Construct with a specified initial capacity.