ColumnArray.ColumnArray()
Constructor of columnarray object.
Synopsis
ColumnArray()
ColumnArray.clear()
Clear all column objects.
Synopsis
void clear()
ColumnArray.getColumn()
Get idx-th column object.
Synopsis
Column getColumn(int idx)
Arguments
idx
: index of the column.Return
column object with index idx.
ColumnArray.pushBack()
Add a column object to column array.
Synopsis
void pushBack(Column col)
Arguments
col
: a column object.
ColumnArray.size()
Get the number of column objects.
Synopsis
int size()
Return
number of column objects.