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Java program to convert a HashSet into an array

// Java program to convert a HashSet 
// into an array

import java.util.*;

public class Main {
  public static void main(String[] args) {
    HashSet < Integer > nums = new HashSet();

    nums.add(1);
    nums.add(2);
    nums.add(3);
    nums.add(4);
    nums.add(5);
    nums.add(6);

    Object arr[] = nums.toArray();

    System.out.println("Array elements: ");
    for (Object item: arr)
      System.out.print(item + " ");
  }
}

Output

Array elements: 
1 2 3 4 5 6