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== Commands ==
== Commands ==
−
The operations you will need to support can be gleaned from the [http://www.cs.umd.edu/users/meesh/420/spr07/part1/p11/node26.html input specification]:
+
The operations you will need to support can be gleaned from the [http://www.cs.umd.edu/users/meesh/420/part1/p12/node21.html input specification]:
* [[createCity]] and [[deleteCity]]: You will need to be able to register cities with and remove them from the data dictionary. No two cities can have the same coordinates or name.
* [[createCity]] and [[deleteCity]]: You will need to be able to register cities with and remove them from the data dictionary. No two cities can have the same coordinates or name.