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  1. What is the output of this program?
    import java.util.*;
    public class ArrayExample
    {
    public static void main(String args[])
    {
    int arr[] = new int [5];
    for (int k = 5; k > 0; k--)
    arr[5 - k] = k;
    Arrays.sort(arr);
    for (int k = 0; k < 5; ++k)
    System.out.print(arr[k]);;
    }
    }
    1. 12345
    2. 54321
    3. 21345
    4. 1345
    5. 1234
Correct Option: A

Arrays.sort(arr) method sorts the array into 1,2,3,4,5.



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