question: public LongColumn ( int nrows , int capacity , long defaultValue ) { super ( long . class , new Long ( defaultValue ) ) ; if ( capacity < nrows ) { throw new IllegalArgumentException ( "Capacity value can not be less than the row count." ) ; } m_values = new long [ capacity ] ; Arrays . fill ( m_values , defaultValue ) ; m_size = nrows ; }
target:  Create a new LongColumn. 