This file contains big-O complexities of the methods/constructors in dictionary data structure whose primary purpose is to be used for a spell checker. 
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Method Name                   Complexities
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addWord                       O(log n)
findWord                      O(log n)
deleteWord		      O(log n)
findSimilar                   O(n)
saveDictionary                O(n)
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Constructor argument          Complexities
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null                          O(1)
word                          O(1)
file                          O(n log n)
