Insert (Arraylist function): Difference between revisions

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{{Template:Arraylist:Insert subtitle}}
{{Template:Arraylist:Insert subtitle}}
[[Category:Arraylist methods|Insert function]]
[[Category:Arraylist methods|Insert function]]
<!--DPL?? Category:Arraylist methods|<var>Insert</var> function: <var>Insert</var> item into Arraylist-->
<!--DPL?? Category:<var>Arraylist</var> methods|<var>Insert</var> function: <var>Insert</var> item into <var>Arraylist</var>-->
<p>
<p>
<var>Insert</var> is a member of the [[Arraylist class]].
<var>Insert</var> is a member of the [[Arraylist class]].
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This callable function
This callable function
inserts an item before the ''number'' item in the Arraylist.
inserts an item before the ''number'' item in the <var>Arraylist</var>.
==Syntax==
==Syntax==
{{Template:Arraylist:Insert syntax}}
{{Template:Arraylist:Insert syntax}}
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<table class="syntaxTable">
<table class="syntaxTable">
<tr><th><i>%num</i></th>
<tr><th><i>%num</i></th>
<td>A numeric variable to contain the number of items in the indicated Arraylist after the item has been inserted. </td></tr>
<td>A numeric variable to contain the number of items in the indicated <var>Arraylist</var> after the item has been inserted. </td></tr>
<tr><th><i>%arrayl</i></th>
<tr><th><i><var class="term">al</var></i></th>
<td>An Arraylist object. </td></tr>
<td>An <var>Arraylist</var> object. </td></tr>
<tr><th><i>number</i></th>
<tr><th><i>number</i></th>
<td>A whole number greater than 0 to identify an ''%arrayl'' item. </td></tr>
<td>A whole number greater than 0 to identify an ''<var class="term">al</var>'' item. </td></tr>
<tr><th><i>item</i></th>
<tr><th><i>item</i></th>
<td>A value or variable of the same type as specified on the ''%arrayl'' declaration, or a value or variable convertible to that type.</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.</td></tr>
</table>
</table>
==Usage notes==
==Usage notes==
<ul>
<ul>
<li>If ''number'' is less than or equal to the number of items
<li>If ''number'' is less than or equal to the number of items
in the Arraylist, the new item is inserted before the indicated item.
in the <var>Arraylist</var>, the new item is inserted before the indicated item.
<li>If ''number'' is equal to the number of items in the Arraylist
<li>If ''number'' is equal to the number of items in the <var>Arraylist</var>
plus one, the new item is added to the end of the Arraylist.
plus one, the new item is added to the end of the <var>Arraylist</var>.
<li>If ''number'' is greater than the number of items in the Arraylist
<li>If ''number'' is greater than the number of items in the <var>Arraylist</var>
plus one, or less than or equal to zero, the request is cancelled.
plus one, or less than or equal to zero, the request is cancelled.
<li>For an example using the <var>Insert</var> method, see [[Arraylist class]].
<li>For an example using the <var>Insert</var> method, see [[Arraylist class]].
</ul>
</ul>

Revision as of 02:29, 20 January 2011

Insert items into Arraylist (Arraylist class)

Insert is a member of the Arraylist class.

This callable function inserts an item before the number item in the Arraylist.

Syntax

[%count =] al:Insert( number, itemList)

Syntax terms

%num A numeric variable to contain the number of items in the indicated Arraylist after the item has been inserted.
al An Arraylist object.
number A whole number greater than 0 to identify an al item.
item A value or variable of the same type as specified on the al declaration, or a value or variable convertible to that type.

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.