question: this method increase the quantity by 1 . concode_field_sep int quantity concode_elem_sep StoreObject content concode_field_sep void setContent concode_elem_sep int getQuantity concode_elem_sep void setQuantity concode_elem_sep void decrement concode_elem_sep StoreObject getContent concode_elem_sep void increment
target: void function ( ) { quantity ++ ; }