/*	ArrayListDemo.java
*/

import java.util.*;

public class ArrayListDemo{
	
	
	public static void main(String[] args){
		ArrayListDemo demo = new ArrayListDemo();
		ArrayList myarraylist = demo.load(20);
		demo.print(myarraylist);
	}
	
	/**	Loads arrayList with n random int values.
	*/
	public ArrayList load(int n){
		ArrayList arraylist = new ArrayList();
		Random random = new Random();
		for (int i = 0; i < n; i++){
			int nextRandomInt = random.nextInt();
			arraylist.add(new Integer(nextRandomInt));
		}
		return arraylist;
	}
	
	/**	Prints an  arrayList to standard output.
	*/
	public void print(ArrayList arraylist){
		ListIterator iterator = arraylist.listIterator();
		while (iterator.hasNext()){
			Integer nextInteger = (Integer) iterator.next();
			System.out.println(nextInteger.toString());
		}
	}
}