The
java.util.concurrent.ConcurrentLinkedDeque.offer() method is an inbuilt method in Java which inserts the specified element, passed as a parameter, to the deque.
Syntax:
public boolean offer(E elem)
Parameters: The method accepts a parameter
elem which species the element to be inserted to the deque.
Return Value: The function returns
True if the element is successfully added into the deque and returns
False otherwise.
Exception: The function throws a
NullPointerException if the passed parameter is
NULL.
Below programs illustrate the
ConcurrentLinkedDeque.offer() method:
Program 1:
Output:
ConcurrentLinkedDeque: [Welcome, To, Geeks, 4, Geeks]
Element Inserted
ConcurrentLinkedDeque: [Welcome, To, Geeks, 4, Geeks, GFG]