LinkedList removeLast() method with example in java
The removeLast() method of LinkedList retrieves and removes the last element in this list. It throws a NoSuchElementException if this list is empty.
Syntax
Object removeLast() |
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 1
import java.util.LinkedList;public class LinkedListRemoveLastExample { public static void main(String[] args) { LinkedList<integer> oddNumbers = new LinkedList(); oddNumbers.add(5); oddNumbers.add(7); oddNumbers.add(9); oddNumbers.add(11); System.out.println("Linked List elements: " + oddNumbers); oddNumbers.removeLast(); System.out.println("Linked List after removing last element: " + oddNumbers); }}</integer> |
Output
Linked List elements: [5, 7, 9, 11] Linked List after removing last element: [5, 7, 9]
Program 2
import java.util.LinkedList;public class LinkedListRemoveLastExample { public static void main(String[] args) { LinkedList<integer> oddNumbers = new LinkedList(); oddNumbers.add(5); oddNumbers.add(7); oddNumbers.add(9); oddNumbers.add(11); System.out.println("Linked List elements: " + oddNumbers); oddNumbers.clear(); System.out.println("Linked List elements after clear() call: " + oddNumbers); oddNumbers.removeLast();// throws NoSuchElementException as linked-list is null }}</integer> |
Output
Linked List elements: [5, 7, 9, 11]
Linked List elements after clear() call: []
Exception in thread "main" java.util.NoSuchElementException
at java.util.LinkedList.removeLast(LinkedList.java:283)
at LinkedListRemoveLastExample.main(LinkedListRemoveLastExample.java:18)
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