| 9 |
|
/** |
| 10 |
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* A collection designed for holding elements prior to processing. |
| 11 |
|
* Besides basic {@link java.util.Collection Collection} operations, queues provide |
| 12 |
< |
* additional insertion, extraction, and inspection operations. |
| 12 |
> |
* additional insertion, extraction, and inspection operations. The names |
| 13 |
> |
* of the operations vary with their policies: |
| 14 |
> |
* |
| 15 |
> |
*<table BORDER CELLPADDING=3 CELLSPACING=1> |
| 16 |
> |
* <tr> |
| 17 |
> |
* <td><em>Operation</em></td> |
| 18 |
> |
* <td ALIGN=CENTER><em>Attempt</em></td> |
| 19 |
> |
* <td ALIGN=CENTER><em>Throw</em></td> |
| 20 |
> |
* </tr> |
| 21 |
> |
* <tr> |
| 22 |
> |
* <td><em>insert</em></td> |
| 23 |
> |
* <td>offer(x)</td> |
| 24 |
> |
* <td>add(x)</td> |
| 25 |
> |
* </tr> |
| 26 |
> |
* <tr> |
| 27 |
> |
* <td><em>extract</em></td> |
| 28 |
> |
* <td>poll()</td> |
| 29 |
> |
* <td>remove()</td> |
| 30 |
> |
* </tr> |
| 31 |
> |
* <tr> |
| 32 |
> |
* <td><em>inspect</em></td> |
| 33 |
> |
* <td>peek()</td> |
| 34 |
> |
* <td>element()</td> |
| 35 |
> |
* </tr> |
| 36 |
> |
*</table> |
| 37 |
|
* |
| 38 |
|
* <p>Queues typically, but do not necessarily, order elements in a |
| 39 |
|
* FIFO (first-in-first-out) manner. Among the exceptions are |
