/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		List<Integer> list = new ArrayList<>();
		list.add(1);
		list.add(20);
		int[] resultado = new int[list.size()];
		list.toArray(resultado);
	}
}