hash tables


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Thread: hash tables

  1. #1
    Join Date
    Oct 2005
    Location
    Chicago
    Posts
    24

    hash tables

    today in class my teacher talked about hash tables I had no idea what he was talking about so could someone please explain to me what a hash table is or were to find easy to understand information on hash tables an example use of a hash table would be appreciated

    thanks

  2. #2
    Join Date
    Dec 2005
    Location
    New Jersey
    Posts
    290
    Perhaps this link will help you.

  3. #3
    Join Date
    Jul 2006
    Posts
    2
    Just wondering what class you were in? Did you feel like you couldn't just ask the teacher (I know that can be intimidating)... but you are probably not the only person in the class lost on the topic... and it could therefore help others.
    Anyway...
    Definition of Hashtable: In computer science, a hash table is an associative array data structure that associates keys with values. The primary operation it supports efficiently is a lookup, where it is given a key, an identifier for the information to be found such as a person's name, and asked to find the corresponding value. It works by transforming the key using a hash function into a hash, a number that the hash table uses to locate the desired value.
    You can get more info from here :
    http://en.wikipedia.org/wiki/Hashtable

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