Hash Table

External

• http://en.wikipedia.org/wiki/Hash_table

Internal

• Data Structures
• Associative Array
• Distributed Hash Table
• Java HashMap

Overview

Hash tables are one of the most used data structures in programming. They don't have that many operations (INSERT(), DELETE() and SEARCH()), but what they do, they do really well.

Canonical Use

• The 2-SUM Problem

Supported Operations

INSERT(X)

INSERT(X)

DELETE(K)

DELETE(X)

SEARCH(K)

SEARCH(K)

TO DEPLETE

HashTableTODEPLETE