Here you can find the source of toObjectArray(List
@SuppressWarnings("unchecked") public static Object[] toObjectArray(List<Object> list)
//package com.java2s; /**/*from www .j a va 2s.c o m*/ * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.util.List; public class Main { @SuppressWarnings("unchecked") public static Object[] toObjectArray(List<Object> list) { Object[] array = new Object[list.size()]; for (int i = 0; i < list.size(); i++) { Object value = list.get(i); if (value instanceof List) { value = toObjectArray((List<Object>) value); } array[i] = value; } return array; } }