Collections2102 - Java Quiz Question

Relation

What will be the output of the following program?

import java.util.*;
public class Collect {
    public static void main(String[] args) {
        ArrayDeque ad = new ArrayDeque<>();
        ad.add(15);
        ad.add(25);
        ad.add(35);
        ad.add(45);
        ad.add(55);
        ad.add(65);
        ad.add(75);
        ad.add(85);
        System.out.print(ad.peek() + ", ");
        System.out.print(ad.peekFirst());
        ad.addFirst(5);
        ad.addLast(95);
        System.out.println(", " + ad);
    }
}

	95, 15, [95, 15, 25, 35, 45, 55, 65, 75, 85, 5]
	95, 15, [5, 15, 25, 35, 45, 55, 65, 75, 85, 95]
	15, 15, [5, 15, 25, 35, 45, 55, 65, 75, 85, 95]
	15, 15, [95, 85, 75, 65, 55, 45, 35, 25, 15, 5]
	Some other output
	Compilation Error or Runtime Error

Topic: Java ArrayDeque Class

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1	Collections2032
2	Add elements to ArrayDeque
3	Collections2102
4	Relation
5	ArrayDeque
6	Element
7	Remove
8	Get the first element from the given input
9	Insert given element at bottom
10	Insert given element at top
11	Remove first element from the Queue