Changes

* Due Date: Monday February 25 + 24 hour grace period + ε

* Due Date: Monday February 25 + 24 hour grace period + ε

* All part 1 files can be found [http://www.cs.umd.edu/users/meesh/420/part1/ here]

* All part 1 files can be found [http://www.cs.umd.edu/users/meesh/420/part1/ here]

* The official spec is [http://www.cs.umd.edu/users/meesh/420/part1/p12/ here]. Frozen version: Draft 1.2

* The official spec is [http://www.cs.umd.edu/users/meesh/420/part1/p10 here].  

* As always, the spec will freeze 1 week prior to the due date.

* As always, the spec will freeze 1 week prior to the due date.

* [[Part 1 Test Files | Test Files]]

* [[Part 1 Test Files | Test Files]]

== Commands ==

== Commands ==

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]:

The operations you will need to support can be gleaned from the [http://www.cs.umd.edu/users/meesh/420/part1/p10/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.