Insert (Arraylist function): Difference between revisions
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===Syntax terms=== | ===Syntax terms=== | ||
<table class="syntaxTable"> | <table class="syntaxTable"> | ||
<tr><th | <tr><th>%count</th> | ||
<td>An, optional, numeric variable to return the number of items in the indicated <var>Arraylist</var> after the item has been inserted. </td></tr> | <td>An, optional, numeric variable to return the number of items in the indicated <var>Arraylist</var> after the item has been inserted. </td></tr> | ||
<tr><th | <tr><th>al</th> | ||
<td>An <var>Arraylist</var> object. </td></tr> | <td>An <var>Arraylist</var> object. </td></tr> | ||
<tr><th | <tr><th>number</th> | ||
<td>A whole number, from 1 to the number of items in <var class="term">al</var> plus one, to identify an <var class="term">al</var> item <b><i>before</i></b> which <var class="term">collectionItem</var> will be inserted.</td></tr> | <td>A whole number, from 1 to the number of items in <var class="term">al</var> plus one, to identify an <var class="term">al</var> item <b><i>before</i></b> which <var class="term">collectionItem</var> will be inserted.</td></tr> | ||
<tr><th | <tr><th>collectionItem</th> | ||
<td>A value or variable of the same type as specified on the <var class="term">al</var> declaration, or a value or variable convertible to that type; to be inserted into <var class="term">al</var>.</td></tr> | <td>A value or variable of the same type as specified on the <var class="term">al</var> declaration, or a value or variable convertible to that type; to be inserted into <var class="term">al</var>.</td></tr> | ||
</table> | </table> |
Revision as of 01:47, 2 February 2011
Insert items into Arraylist (Arraylist class)
This callable function
inserts an item before the number item in the Arraylist.
Syntax
[%count =] al:Insert( number, itemList)
Syntax terms
%count | An, optional, numeric variable to return the number of items in the indicated Arraylist after the item has been inserted. |
---|---|
al | An Arraylist object. |
number | A whole number, from 1 to the number of items in al plus one, to identify an al item before which collectionItem will be inserted. |
collectionItem | A value or variable of the same type as specified on the al declaration, or a value or variable convertible to that type; to be inserted into al. |
Usage notes
- If number is less than or equal to the number of items in the Arraylist, the new item is inserted before the indicated item.
- If number is equal to the number of items in the Arraylist plus one, the new item is added to the end of the Arraylist.
- If number is greater than the number of items in the Arraylist plus one, or less than or equal to zero, the request is cancelled.
- For an example using the Insert method, see Arraylist class.