sort an int array in java

/**
 * @author lautturi.com 
 * Java example: sort an array in java
 */

import java.util.*;

public class Lautturi {
	public static void main(String[] args) {
		int[] arr = { 11, 4, 2, 7, 55, 16, 12, 8, 13, 38 };
		System.out.println("The original array is: ");
		for (int num : arr) {
			System.out.print(num + " ");
		}
		Arrays.sort(arr);
		System.out.println("\nThe sorted array is: ");
		for (int num : arr) {
			System.out.print(num + " ");
		}
	}
}

output:

The original array is: 
11 4 2 7 55 16 12 8 13 38 
The sorted array is: 
2 4 7 8 11 12 13 16 38 55