Java

The offerLast(E element) method of LinkedList appends the specified element at the end of this linked list. It returns true on the successful insertion of the element in this linked list. Syntax Parameters e is the element to insert in this linked-list Return Value It returns true on successful insertion Read more…

The peek() method of LinkedList retrieves but does not remove the first element in this linked list. It returns null if the list is empty. Syntax Parameters It does not take any parameter Return Value It returns the first element in this linked-list Program 1 Output Linked List elements: [5, Read more…

The peekFirst() method of LinkedList retrieves but does not remove the first element in this linked list. It returns null if the linked list is empty. Syntax Parameters It does not take any parameter Return Value It returns the first element in this linked-list or null if the linked-list is Read more…

The peekLast() method of LinkedList retrieves but does not remove the last element in this linked list. It returns null if the linked list is empty. Syntax Parameter It does not take any parameter Return Value the last element in this linked-list or null if the linked-list is empty. Program Read more…

The poll() method of LinkedList retrieves and removes the first element of this linked list. Syntax Parameters It does not take any parameter Return Value It returns the removed element from this linked-list Program Output Linked List elements: [5, 7, 9, 11] first element removed: 5 Linked List elements after Read more…

The pollFirst() method of LinkedList retrieves and removes the first element of this linked list. It returns null if this list is empty. Syntax Parameters It does not take any parameter Return Value It returns the removed element in this linked list or null if the list is empty. Program Read more…

The pollLast() method of LinkedList retrieves and removes the last element of this linked list. It returns null if this list is empty. Syntax Parameters It does not take any parameter Return Value It returns the removed element in this linked-list or null if the list is empty. Program 1 Read more…

1. remove() The remove() method of LinkedList retrieves and removes the first element in this list. It throws a NoSuchElementException exception if this list is empty. Syntax Parameters It doesn’t take any parameter Return Value the removed element in this list Exception It throws NoSuchElementException exception if this list is Read more…

The removeFirst() method of LinkedList retrieves and removes the first element in this list. It throws a NoSuchElementException exception if this list is empty. Syntax Parameters It doesn’t take any parameter Return Value the removed element in this list Exception It throws NoSuchElementException exception if this list is empty. Program Read more…

The removeFirstOccurrence(E element) method of LinkedList removes the first occurrence of the specified element from this linked list. It returns true if the list contains the specified element. Syntax Parameters e is the element to remove from this linked-list Return Value It returns true if the linked-list contains the specified Read more…