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LearnArrayDequeue.java

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import java.util.*;

public class LearnArrayDequeue {

public static void main(String args[])

{

ArrayDeque<Integer> adq = new ArrayDeque<>();

adq.offer(10);

adq.offerLast(20);

adq.offerFirst(5);

adq.offerLast(50);

System.out.println(adq);

System.out.println(adq.peek());

System.out.println(adq.peekFirst());

System.out.println(adq.peekLast());

System.out.println(adq.poll());

System.out.println(adq);

System.out.println(adq.pollFirst());

System.out.println(adq.pollLast());

}

}