import java.util.*;

public class HashCodeTest {

  public static void main(String[] args) {

    int n = (args.length > 0) ? Integer.parseInt(args[0]) : 10;

    Random r = new Random();

    Integer[] numbers = new Integer[n];
    for(int j = 0; j < n; j++) numbers[j] = j;
    Integer[] numbers1 = (Integer[]) numbers.clone();
    
    System.out.println("numbers.hashCode() = " + numbers.hashCode());
    System.out.println("numbers1.hashCode() = " + numbers1.hashCode());
    System.out.println("Arrays.hashCode(numbers) = " + Arrays.hashCode(numbers));
    System.out.println("Arrays.hashCode(numbers1) = " + Arrays.hashCode(numbers1));
  }
}