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Revision as of 21:32, 4 January 2011
Arraylists can be thought of as traditional arrays with no bounds and much more flexibility.
For background information about collections and Arraylists and about declaring Arraylist object variables, see Collections. See also Coding considerations for collections.
The following code illustrates several of the Arraylist methods:
%alist is collection Arraylist of longstring %i is float %alist = new %alist:add('Idle') %alist:add('Gumby') %alist:add('Chapman') %alist:add('Pallin') %alist:insert(2, 'Jones') %alist:removeItem(4) %alist(3) = 'Cleese' for %i from 1 to %alist:count print %alist(%i) end for
This code snippet would print:
Idle Jones Cleese Pallin
The individual Arraylist methods are described in the following subsections. In the method templates, %arrayl is used to represent the object to which the method is being applied, sometimes called the “method object” or the “method Arraylist.” Additional conventions are described in Notation conventions for methods.