20 |
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* which would be removed by a call to {@link #remove() } or {@link #poll()}. |
21 |
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* Every <tt>Queue</tt> implementation must specify its ordering guarantees. |
22 |
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* |
23 |
< |
* <p>The {@link #offer(E)} method adds an element if possible, otherwise |
24 |
< |
* returning <tt>false</tt>. This differs from the {@link java.util.Collection#add Collection.add(E)} |
23 |
> |
* <p>The {@link #offer offer} method adds an element if possible, otherwise |
24 |
> |
* returning <tt>false</tt>. This differs from the |
25 |
> |
* {@link java.util.Collection#add Collection.add} |
26 |
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* method, which throws an unchecked exception upon |
27 |
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* failure. It is designed for use in collections in which failure to |
28 |
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* add is a normal, rather than exceptional occurrence, for example, |