Java LinkedList Methods

Method

Description

Return Type

Add()

Insert an element into the list.

boolean|void

Addall()

Append a collection of elements to the list.

boolean

AddFirst()

Prepends an item to the list.

void

addLast()

Appends an item to the end of the list.

void

Clear()

Clear the list, removing all items.

void

Clone()

Generate a duplicate of the LinkedList.

Object

Contains()

Verify if an item exists in the list.

boolean

descendingIterator()

Returns an iterator to traverse the items of the list in reverse sequence.

element()

Fetches the initial item in the list, akin to the getFirst() method.

forEach()

Execute an action on each item within the list.

void

get()

Retrieve the item located at a particular position within the list.

T

getFirst()

Retrieves the initial item from the list.

T

getLast()

Retrieves the final item from the list.

T

indexOf()

Retrieve the index of the initial occurrence of an item within the list.

int

isEmpty()

Verifies if the list is devoid of elements.

boolean

iterator()

Provide an Iterator object for the LinkedList.

Iterator

lastIndexOf()

Retrieve the index of the final occurrence of an item within the list.

int

listIterator()

Provide a ListIterator object for the LinkedList.

ListIterator

listIterator()

Appends an item to the end of the list.

offerFirst()

Prepends an item to the beginning of the list.

offerLast()

Appends an item to the end of the list.

Peek()

Retrieve the initial item in the list, similar to the getFirst() method.

peekFirst()

Retrieve the initial item in the list, akin to using peek().

peelLast()

Retrieve the final item in the list.

Poll()

Retrieve and remove the initial item from the list.

pollFirst()

Retrieve and remove the initial item from the list, akin to using poll().

pollLast()

Retrieve and remove the final item from the list.

Pop()

Retrieve the initial element in the list, similar to the removeFirst() method.

Push()

Prepends an item to the list, akin to using addFirst().

Remove()

Delete an item from the list.

boolean|T

RemoveAll()

Eliminate a collection of items from the list.

boolean

removeFirst()

Remove the initial item from the list.

T

removeFirstOccurrence()

Remove the initial occurrence of a specified item from the list.

removeIf()

Remove all items from the list that satisfy a specified condition.

boolean

removeLast()

Remove the final item from the list.

T

removeLastOccurrence()

Remove the final occurrence of a specified item from the list.

replaceAll()

Substitute each item in the list with the outcome of an operation performed on that item.

void

retainAll()

Eliminate all elements from the list that are not part of a specified collection.

boolean

set()

Substitute an item at a specified position within the list.

T

size()

Retrieve the count of items in the list.

int

sort()

Arrange the items in the list in ascending order.

void

spliterator()

Provide a Spliterator object for the LinkedList.

Spliterator

subList()

Return a sublist that grants access to a specified range of items within this list.

List

toArray()

Return a sublist that grants access to a specified range of items within this list.

Object[]