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LinkedList offerFirst() method with example in java

The offerFirst(E element) method of LinkedList appends the specified element at the start of this linked list. It returns true on the successful insertion of the element in this linked list.

Syntax

boolean offerFirst(E e)

Parameters

e is the element to insert in this linked-list

Return Value

It returns true on successful insertion of the specified element in this list

Program

import java.util.LinkedList;

public class LinkedListOfferFirstExample {

	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.offerFirst(3);
		System.out.println("Linked List elements after adding element at first position: " + oddNumbers);
	}
}

Output

Linked List elements: [5, 7, 9, 11]
Linked List elements after adding element at first position: [3, 5, 7, 9, 11]

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