Here you can find the source of clone(E object)
@SuppressWarnings("unchecked") public static <E> E clone(E object)
//package com.java2s; /*/*from ww w .j a v a 2 s . c o m*/ * Copyright (c) 2001-2011 Convertigo SA. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see<http://www.gnu.org/licenses/>. * * $URL$ * $Author$ * $Revision$ * $Date$ */ public class Main { @SuppressWarnings("unchecked") public static <E> E clone(E object) { Class<?> c = object.getClass(); try { return (E) c.getMethod("clone").invoke(object); } catch (Exception e) { // null if failed } return null; } }