Java tutorial
//package com.java2s; /** * Copyright 2009-2013 Oy Vaadin Ltd * * Licensed 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.lang.reflect.Array; import java.util.Collection; public class Main { /** * Converts a typed {@link Collection} to a typed array. * * @param type * the type class * @param collection * the collection to convert to an array. * @return the array. */ @SuppressWarnings("unchecked") public static <T> T[] toArray(Class<T> type, Collection<T> collection) { return collection.toArray((T[]) Array.newInstance(type, collection.size())); } }