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);
	}
}

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
	}
}

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)