(Shuffle ArrayList) Write the following method that shuffles the elements in an ArrayList of integers

/*********************************************************************************
* (Shuffle ArrayList) Write the following method that shuffles the elements in   *
* an ArrayList of integers.                                                      *
*                                                                                *
* public static void shuffle(ArrayList<Integer> list)                            *
*********************************************************************************/
import java.util.Scanner;
import java.util.ArrayList;

public class Exercise_11_07 {
	/** Main method */
	public static void main(String[] args) {
		// Create a Scanner
		Scanner input = new Scanner(System.in);

		// Create an ArrayList of Integer type
		ArrayList<Integer> list = new ArrayList<Integer>();

		// Prompt the user to enter a list of Integer ending with 0
		System.out.print("Enter a list of integers ending with 0: ");
		Integer number = input.nextInt();

		while (number.intValue() != 0) {
			list.add(number);
			number = input.nextInt();
		}

		// Invoke shuffle method
		shuffle(list);

		// Display shuffled list
		for (int i = 0; i < list.size(); i++) {
			System.out.print(list.get(i) + " ");
		}
		System.out.println();
	}

	/** Shuffles the elements in an ArrayList of integers */
	public static void shuffle(ArrayList<Integer> list) {
		java.util.Collections.shuffle(list);
	}
}