public FloatColumn(int nrows,int capacity,float defaultValue){
  super(float.class,new Float(defaultValue));
  if (capacity < nrows) {
    throw new IllegalArgumentException("Capacity value can not be less than the row count.");
  }
  m_values=new float[capacity];
  Arrays.fill(m_values,defaultValue);
  m_size=nrows;
}

public FloatColumn ( int nrows , int capacity , float defaultValue ) { super ( float . class , new Float ( defaultValue ) ) ; if ( capacity < nrows ) { throw new IllegalArgumentException ( "Capacity value can not be less than the row count." ) ; } m_values = new float [ capacity ] ; Arrays . fill ( m_values , defaultValue ) ; m_size = nrows ; }
create a new floatcolumn .
