import java.util.*;

public class AddListsTest
{
	static long start, end;
	static List l;
	static Object foo = new Object();

	public static void main(String args[])
	{
		final int iter = 2000000;

		if (args[0].equals("ArrayList"))
		{
			// add
			start = System.currentTimeMillis();

			l = new ArrayList();
			for (int i = 0; i < iter; i++)
				l.add(foo);

			end = System.currentTimeMillis();
			System.out.println("ArrayList time: "+(end-start)+" ms");
		}
		else
		{
			// add
			start = System.currentTimeMillis();

			l = new LinkedList();
			for (int i = 0; i < iter; i++)
				l.add(foo);

			end = System.currentTimeMillis();
			System.out.println("LinkedList time: "+(end-start)+" ms");
		}
	}
}