Changes

== Data structures ==

== Data structures ==

# Data Dictionary ([http://java.sun.com/j2se/1.6.0/docs/api/java/util/TreeMap.html TreeMap] and [http://java.sun.com/j2se/1.6.0/docs/api/java/util/TreeSet.html TreeSet] for part 1)

Data Dictionary ([http://java.sun.com/j2se/1.6.0/docs/api/java/util/TreeMap.html TreeMap] and [http://java.sun.com/j2se/1.6.0/docs/api/java/util/TreeSet.html TreeSet] for part 1)

#* Related commands:

# Related commands:

#** [[createCity]]

#** [[createCity]]

#** [[listCities]]

#** [[listCities]]