Here you can find the source of asList(Iterator extends T> it)
public static <T> List<T> asList(Iterator<? extends T> it)
//package com.java2s; /*/*from w ww.ja va2s. c om*/ This file belongs to the Servoy development and deployment environment, Copyright (C) 1997-2010 Servoy BV This program is free software; you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program; if not, see http://www.gnu.org/licenses or write to the Free Software Foundation,Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 */ import java.util.ArrayList; import java.util.Iterator; import java.util.List; public class Main { public static <T> List<T> asList(Iterator<? extends T> it) { List<T> lst = new ArrayList<T>(); while (it.hasNext()) { lst.add(it.next()); } return lst; } }