120 |
|
* if no space is currently available. |
121 |
|
* |
122 |
|
* @param e the element to add |
123 |
< |
* @return <tt>true</tt> (as per the spec for {@link Collection#add}) |
123 |
> |
* @return <tt>true</tt> (as specified by {@link Collection#add}) |
124 |
|
* @throws IllegalStateException if the element cannot be added at this |
125 |
|
* time due to capacity restrictions |
126 |
|
* @throws ClassCastException if the class of the specified element |
153 |
|
|
154 |
|
/** |
155 |
|
* Retrieves and removes the head of this queue. This method differs |
156 |
< |
* from {@link #poll} only in that it throws an exception if this queue |
157 |
< |
* is empty. |
156 |
> |
* from {@link #poll poll} only in that it throws an exception if this |
157 |
> |
* queue is empty. |
158 |
|
* |
159 |
|
* @return the head of this queue |
160 |
|
* @throws NoSuchElementException if this queue is empty |
171 |
|
|
172 |
|
/** |
173 |
|
* Retrieves, but does not remove, the head of this queue. This method |
174 |
< |
* differs from {@link #peek} only in that it throws an exception if |
175 |
< |
* this queue is empty. |
174 |
> |
* differs from {@link #peek peek} only in that it throws an exception |
175 |
> |
* if this queue is empty. |
176 |
|
* |
177 |
|
* @return the head of this queue |
178 |
|
* @throws NoSuchElementException if this queue is empty |