Exercise

Implementing a text analysis application

You're developing a text analysis application that needs to count the frequency of words in a document. You need to implement a solution with optimal time complexity for word lookups.

Instructions

100 XP

Retrieve the currentCount for the word when it is already in the frequency map.
Increment it and update the frequency map the updated value.
If the word was not in the frequency map until now, add it.

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Instructions

Exercise