LinkedList peekLast() method with example in java

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

Object peekLast()

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 1

import java.util.LinkedList;

public class LinkedListPeekLastExample {

	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);
		System.out.println("Last element in this linked-list: " + oddNumbers.peekLast());
	}
}

Output

Linked List elements: [5, 7, 9, 11]
Last element in this linked-list: 11

Program 2

import java.util.LinkedList;

public class LinkedListPeekLastExample {

	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);
		System.out.println("Last element in this linked-list: " + oddNumbers.peekLast());
	}
}

Output

Linked List elements: [5, 7, 9, 11]
Linked List elements after clear() call: []
Last element in this linked-list: null