/src/main/java/net/finmath/singleswaprate/data/DataTableBasic.java
date = startDate.plusWeeks( offset) ;date = startDate.plusMonths( offset) ;
date = startDate.plusMonths ( offset ) ;
LocalDate date = null; switch(convention) { case YEARS: date = startDate.plusYears(offset); break; case MONTHS: <extra_id_0> break; case DAYS: date = startDate.plusDays(offset); break; case WEEKS: date = startDate.plusWeeks(offset);