Java LinkedList Methods
All LinkedList Methods
A list of all LinkedList methods can be found in the table below.
Some methods use the type of the LinkedList's items as a parameter or return value. This type will be referred to as T in the table.
Method | Description | Return Type |
---|---|---|
add() | Add an item to the list | boolean|void |
addAll() | Add a collection of items to the list | boolean |
addFirst() | Adds an item to the beginning of the list | void |
addLast() | Adds an item to the end of the list | void |
clear() | Remove all items from the list | void |
clone() | Create a copy of the LinkedList | Object |
contains() | Checks whether an item exist in the list | boolean |
descendingIterator() | Returns an iterator to loop through the items of the list in reverse order | |
element() | Retrieves the first item in the list Similar to getFirst() |
|
forEach() | Perform an action on every item in the list | void |
get() | Return the item at a specific position in the list | T |
getFirst() | Returns the first item in the list | T |
getLast() | Returns the last item in the list | T |
indexOf() | Return the position of the first occurrence of an item in the list | int |
isEmpty() | Checks whether the list is empty | boolean |
iterator() | Return an Iterator object for the
LinkedList |
Iterator |
lastIndexOf() | Return the position of the last occurrence of an item in the list | int |
listIterator() | Return a ListIterator object for the
LinkedList |
ListIterator |
offer() | Adds an item at the end of the list | |
offerFirst() | Adds an item at the beginning of the list | |
offerLast() | Adds an item at the end of the list | |
peek() | Retrieves the first item in the list Similar to getFirst() |
|
peekFirst() | Retrieves the first item in the list. Similar to peek() |
|
peekLast() | Retrieves the last item in the list | |
poll() | Retrieves and removes the first item in the list. | |
pollFirst() | Retrieves and removes the first item in the list. Similar to poll() |
|
pollLast() | Retrieves and removes the last item in the list. | |
pop() | Returns the first element in the list. Similar to removeFirst() |
|
push() | Adds an item to the beginning of the list. Similar to addFirst() |
|
remove() | Remove an item from the list | boolean|T |
removeAll() | Remove a collection of items from the list | boolean |
removeFirst() | Removes the first item in the list | T |
removeFirstOccurrence() | Removes the first occurrence of a specified item in the list | |
removeIf() | Remove all items from the list which meet a specified condition | boolean |
removeLast() | Removes the last item in the list | T |
removeLastOccurrence() | Removes the last occurrence of a specified item in the list | |
replaceAll() | Replace each item in the list with the result of an operation on that item | void |
retainAll() | Remove all elements from the list which do not belong to a specified collection | boolean |
set() | Replace an item at a specified position in the list | T |
size() | Return the number of items in the list | int |
sort() | Sort the list | void |
spliterator() | Return a Spliterator object for the
LinkedList |
Spliterator |
subList() | Return a sublist which provides access to a range of this list's items | List |
toArray() | Return an array containing the list's items | Object[] |