question: public BooleanColumn ( int nrows , int capacity , boolean defaultValue ) { super ( boolean . class , new Boolean ( defaultValue ) ) ; if ( capacity < nrows ) { throw new IllegalArgumentException ( "Capacity value can not be less than the row count." ) ; } m_bits = new BitSet ( capacity ) ; m_bits . set ( 0 , capacity , defaultValue ) ; m_size = nrows ; }
target:  Create a new BooleanColumn. 