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Decode the Coding Interview in JavaScript: Real-World Examples

DIY: Design Add and Search Words Data Structure

Explore how to implement a wordDictionary class supporting word addition, exact and pattern-based searches, and retrieval of all stored words. Understand handling of wildcard characters in search queries and managing unique entries for efficient data operations.

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Problem statement

Design a data structure that supports the following functions:

  • Adding new words.
  • Finding if a string matches any previously added string.
  • Returning all the words that are present in the data structure.

Let’s call this data structure the wordDictionary class. Here is how it should be implemented:

  • wordDictionary(): This function will initialize the object.
  • addWord(word): This
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