Here you can find the source of toStringArray(Collection
static String[] toStringArray(Collection<String> strings)
//package com.java2s; /**/*from w ww .j ava2s .c o m*/ * Copyright 2014 Nortal AS * * 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.util.Arrays; import java.util.Collection; public class Main { static boolean sort; static String[] toStringArray(Collection<String> strings) { String[] array = strings.toArray(new String[] {}); if (sort) { Arrays.sort(array); } return array; } }