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[] |
