Here you can find the source of toStringArray(List
public static String[] toStringArray(List<String> list)
//package com.java2s; /*/*ww w . j a v a2 s . c om*/ // Licensed to DynamoBI Corporation (DynamoBI) under one // or more contributor license agreements. See the NOTICE file // distributed with this work for additional information // regarding copyright ownership. DynamoBI 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.*; public class Main { public static String[] toStringArray(List<String> list) { return list.toArray(new String[list.size()]); } }