Find the output

Computer Science Level 2

What is the output of the following java code? 

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public class x 
{
    public static void main(String[] args)    {
        ArrayList<Integer> n = new ArrayList<Integer>();
        n.add(3);
        n.add(1);
        n.add(2,4);
        n.add(1);
        n.add(5);
        n.remove(3);
        n.add(9);
        n.add(2);
        n.remove((Integer) 4);
        System.out.println(n);
    }
}

[3, 1, 5, 9, 2, 6] None of these [3, 1, 4, 5, 2, 6] [3, 1, 4, 1, 5, 9, 2, 6] Runtime Error [1, 1, 5, 9, 2, 6] [1, 4, 1, 5, 2, 6] Compile Time Error

Alex Li by Alex Li , 22, USA

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1 solution

Alex Li
Apr 23, 2015

Note that ArrayList has never been imported, so the code will not compile.

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