Constructor
new Deque()
- Version:
- v1.0
Methods
front() → {boolen}
Get the first element of deque.
Returns:
the first data of deque.
- Type
- boolen
back() → {*}
Get the last element of deque.
Returns:
- the last element of deque.
- Type
- *
empty() → {boolean}
Make sure the deque is empty.
Returns:
true if deque is empty.
- Type
- boolean
size() → {number}
Get the number of element in deque.
Returns:
the number of elements.
- Type
- number
clear()
Initalize the deque
pushBack(data)
add data to back of deque.
Parameters:
| Name | Type | Description |
|---|---|---|
data |
* | the data of deque. |
pushFront(data)
add data to front of deque.
Parameters:
| Name | Type | Description |
|---|---|---|
data |
* | the data of deque. |
popBack() → {boolean}
remove the last data of deque.
Returns:
if deque is empty, return false.
- Type
- boolean
popFront() → {boolean}
remove the first data of deque.
Returns:
if deque is empty, return false.
- Type
- boolean
compare(otherDeque) → {boolean}
compare data of this and param in order.
Parameters:
| Name | Type | Description |
|---|---|---|
otherDeque |
Deque | Deque object. |
Returns:
Make sure this and param are same.
- Type
- boolean
toString() → {string}
show information of object
Returns:
- Type
- string
copy() → {Deque}
return a copy of this object.
Returns:
- Type
- Deque