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   ► KBProgrammingDelphi for W...Language Det...   Print This     
 
Delphi Language Details:
Delphi Associative Array (TStringList Assoc Array)
 
Posted 12 years ago on 11/4/2008 and updated 1/20/2009
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KB101517

General Info: Associative Array

A set of unique keys linked to a set of values. Each unique key is associated with a value. Think of it as a two column table. MyArray['CA'] = 'California' MyArray['AR'] = 'Arizona'

Languages Focus: Associative Array

Associative arrays are also known as a dictionary or a hash table in other languages.

Delphi Associative Array

Object Pascal doesn't have a native associative array, but you can use a TStringList the same way. (Alternatively, search the Internet for TStringHash and THashedStringList classes for implementations of a true associative array).

Syntax Example:
var
  StateList : TStringList;
begin
StateList := TStringList.Create; 
  StateList.CommaText := 'CA=California, FL=Florida';
  ShowMessage('FL is ' + StateList.Values['FL']);
end;


About Associative Array
A set of unique keys linked to a set of values. Each unique key is associated with a value. Think of it as a two column table. MyArray['CA'] = 'California' MyArray['AR'] = 'Arizona'

More Info

Definition:  Associative Array
Code:  Associative Arrays in Delphi/Object Pascal (Use TStringList)

Comments

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Through reading this article, I have renewed my conceptualization related to the Delphi Associative Array. I get book report from online source whenever I need it for college purpose. I would be more grateful if you could provide more information about this array.

Posted 8 days ago
 
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