Here you can find the source of listToArray(List data)
public static Object[] listToArray(List data)
//package com.java2s; /*// w w w . j av a 2 s . co m Ziah_'s Client Copyright (C) 2013 Ziah Jyothi This program is free software: you can redistribute it and/or modify it under the terms of the GNU 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/]. */ import java.util.Iterator; import java.util.List; public class Main { public static Object[] listToArray(List data) { Object newdata[] = new Object[data.size()]; int i = 0; for (Iterator iterator = data.iterator(); iterator.hasNext();) { Object cur = iterator.next(); newdata[i] = cur; i++; } return newdata; } }