Here you can find the source of transfer(Collection source, Collection dest, int maxElems)
public static void transfer(Collection source, Collection dest, int maxElems)
//package com.java2s; /*//w w w . ja v a2s. c om * NOTE: This copyright does *not* cover user programs that use HQ * program services by normal system calls through the application * program interfaces provided as part of the Hyperic Plug-in Development * Kit or the Hyperic Client Development Kit - this is merely considered * normal use of the program, and does *not* fall under the heading of * "derived work". * * Copyright (C) [2004, 2005, 2006], Hyperic, Inc. * This file is part of HQ. * * HQ is free software; you can redistribute it and/or modify * it under the terms version 2 of the GNU General Public License as * published by the Free Software Foundation. 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, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * USA. */ import java.util.Collection; import java.util.Iterator; public class Main { /** * Transfer up to 'maxElems' elements from the source to the destination. */ public static void transfer(Collection source, Collection dest, int maxElems) { int j = 0; for (Iterator i = source.iterator(); i.hasNext() && j < maxElems; j++) { dest.add(i.next()); i.remove(); } } }