get the number of elements in this sequence concode_field_sep List<Itemset> itemsets concode_field_sep Integer getIthItem concode_elem_sep void print concode_elem_sep Itemset get concode_elem_sep int getItemOccurencesTotalCount concode_elem_sep boolean containsItem concode_elem_sep String toString concode_elem_sep List<Itemset> getItemsets concode_elem_sep void addItemset concode_elem_sep Prefix cloneSequence
int function ( ) { return itemsets . size ( ) ; }