>Hash Table</em>. This technique converts the variable name to an integer and uses this to index into an array of a known size to find the value associated with this symbol. This is a really important data structure in programming and will crop up everywhere because of its fantastic performance under heavy loads.</p>

<p>Anyone who is interested in learning more about data structures and algorithms would be smart to take a shot at implementing this data structure or one of its variations.</p>


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