| Method Summary |
|
| public void | addBack(Object obj)
Add an object to the back of the queue. |
| public void | addFront(Object obj)
Add an object to the front of the queue. |
| public Object | head()
Access the object at the front of the queue. |
| public Object | popBack()
Remove and return the item at the back of the queue. |
| public Object | popFront()
Remove and return the item at the front of the queue. |
| public void | setCapacity(int capacity)
Specify the maximum capacity of this queue, -1 means unbounded. |
| public int | size()
Return the number of items in the queue. |
| public Object | tail()
Access the object at the back of the queue. |