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Deque interface in Java

Travinth Dayalaeaswaran answered on July 8, 2022 Popularity 5/10 Helpfulness 2/10

answer Deque interface in Java

Deque interface in Java

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// Java program to demonstrate the working
// of a Deque in Java
 
import java.util.*;
 
public class DequeExample {
    public static void main(String[] args)
    {
        Deque<String> deque
            = new LinkedList<String>();
 
        // We can add elements to the queue
        // in various ways
 
        // Add at the last
        deque.add("Element 1 (Tail)");
 
        // Add at the first
        deque.addFirst("Element 2 (Head)");
 
        // Add at the last
        deque.addLast("Element 3 (Tail)");
 
        // Add at the first
        deque.push("Element 4 (Head)");
 
        // Add at the last
        deque.offer("Element 5 (Tail)");
 
        // Add at the first
        deque.offerFirst("Element 6 (Head)");
 
        System.out.println(deque + "\n");
 
        // We can remove the first element
        // or the last element.
        deque.removeFirst();
        deque.removeLast();
        System.out.println("Deque after removing "
                           + "first and last: "
                           + deque);
    }
}

Popularity 5/10 Helpfulness 2/10 Language java

Source: www.geeksforgeeks.org

Tags: deque interface java

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Contributed on Jul 08 2022

Travinth Dayalaeaswaran

0 Answers Avg Quality 2/10

Deque interface in Java

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