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Line 6:
There are two main concepts for this project:
There are two main concepts for this project:
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# Data Dictionary (TreeMaps and TreeSets for part 1)
+
# Data Dictionary (TreeMaps and TreeSets for part 1, B-tree for parts 2 and 3)
#* Related commands:
#* Related commands:
#** createCity
#** createCity
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Line 13:
#** clearAll
#** clearAll
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# Spatial Map (PR Quadtree for part 1)
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# Spatial Map (PR Quadtree for part 1, PM3 Quadtree for part 2)
#* Related commands:
#* Related commands:
#** deleteCity (if the city is mapped)
#** deleteCity (if the city is mapped)