Resize problem Weiss Chapter 1/2

import java.util.ArrayList;
import java.util.Scanner;
/**
 * Demo of Resize problem
 * @author J. Dalbey
 */
public class ResizeDemo
{

    public static void resize(int[] items)
    {
        int[] old = items;
        items = new int[old.length * 2];
        for(int i=0; i < old.length; i++)
        {
            items[i] = old[i]*2;
            System.out.println(items[i]);
        }
    }


    public static void main(String[] args)
    {
        int[] stuff = {1,2,3,4,5};

        resize(stuff);

        System.out.println("-----");
        for(int i=0; i < stuff.length; i++)
        {
            System.out.print(stuff[i]+ "    ");
        }
        System.out.println();

    }
}