ConcurrentLinkedDeque toArray() method in Java with Example

// Java Program Demonstrate toArray()
// method of ConcurrentLinkedDeque

import java.util.concurrent.*;
import java.util.*;

public class GFG {
    public static void main(String[] args)
        throws IllegalStateException
    {

        // create object of ConcurrentLinkedDeque
        ConcurrentLinkedDeque<Integer> deque
            = new ConcurrentLinkedDeque<Integer>();

        // Add numbers to end of ConcurrentLinkedDeque
        deque.add(7855642);
        deque.add(35658786);
        deque.add(5278367);
        deque.add(74381793);

        System.out.println("ConcurrentLinkedDeque: "
                           + deque);

        Object[] a = deque.toArray();
        System.out.println("Returned Array: "
                           + Arrays.toString(a));
    }
}

// Java code to illustrate toArray(arr[])

import java.util.concurrent.*;
import java.util.*;

public class ConcurrentLinkedDequeDemo {
    public static void main(String args[])
    {
        // Creating an empty ConcurrentLinkedDeque
        ConcurrentLinkedDeque<String> deque
            = new ConcurrentLinkedDeque<String>();

        // Use add() method to add
        // elements into the ConcurrentLinkedDeque
        deque.add("Welcome");
        deque.add("To");
        deque.add("Geeks");
        deque.add("For");
        deque.add("Geeks");

        // Displaying the ConcurrentLinkedDeque
        System.out.println("The ConcurrentLinkedDeque: "
                           + deque);

        // Creating the array and using toArray()
        String[] arr = new String[5];
        arr = deque.toArray(arr);

        // Displaying arr
        System.out.println("Returned Array: "
                           + Arrays.toString(arr));
    }
}