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Showing content from https://www.geeksforgeeks.org/java/concurrentlinkeddeque-getlast-method-in-java/ below:

ConcurrentLinkedDeque getLast() Method in Java

Last Updated : 17 Sep, 2018

The

java.util.concurrent.ConcurrentLinkedDeque.getLast()

method is an in-built method in Java which returns the last element of the deque container.

Syntax:

Conn_Linked_Deque.getLast()

Parameters:

The method does not accept any parameter.

Return Value:

The method returns the last element present in the Deque.

Exception:

The function throws a

NoSuchElementException

when the deque is empty. Below programs illustrate the

ConcurrentLinkedDeque.getLast()

method:

Program 1

Java


 /* Java Program to Demonstrate getLast()
   method of ConcurrentLinkedDeque */

import java.util.concurrent.*;
class GFG {
    public static void main(String[] args)
    {

        // Creating an empty Deque
        ConcurrentLinkedDeque<String> cld = new ConcurrentLinkedDeque<String>();

        // Add elements into the Deque
        cld.add("Welcome");
        cld.add("To");
        cld.add("Geeks");
        cld.add("4");
        cld.add("Geeks");

        // Displaying the Deque
        System.out.println("Elements in Deque: " + cld);

        // Displaying the Last element
        System.out.println("The Last element is: " + cld.getLast());
    }
}

Output:

Elements in Deque: [Welcome, To, Geeks, 4, Geeks]
The Last element is: Geeks

Program 2: Java


 /* Java Program to Demonstrate getLast()
   method of ConcurrentLinkedDeque */

import java.util.concurrent.*;
class GFG {
    public static void main(String[] args)
    {

        // Creating an empty Deque
        ConcurrentLinkedDeque<Integer> cld = new ConcurrentLinkedDeque<Integer>();

        try {
            // Displaying the Last element
            System.out.println("The Last element "
                               + "is: " + cld.getLast());
        }
        catch (Exception e) {
            // Displaying the Exception
            System.out.println(e);
        }

        // Add elements into the Deque
        cld.add(12);
        cld.add(43);
        cld.add(29);
        cld.add(16);
        cld.add(70);

        // Displaying the Deque
        System.out.println("Elements in "
                           + "Deque: " + cld);

        // Displaying the Last element
        System.out.println("The Last element is: " + cld.getLast());
    }
}

Output:

java.util.NoSuchElementException
Elements in Deque: [12, 43, 29, 16, 70]
The Last element is: 70

Reference:https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentLinkedDeque.html#getLast()

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