Java tutorial
//package com.java2s; /* * Copyright (C) 2016 Timo Vesalainen <timo.vesalainen@iki.fi> * * 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.lang.reflect.Array; import java.util.Collection; public class Main { /** * Converts Collection to array. * @param <T> * @param col * @param cls * @return * @see java.util.Collection#toArray(T[]) */ public static <T> T[] toArray(Collection<T> col, Class<T> cls) { T[] arr = (T[]) Array.newInstance(cls, col.size()); return col.toArray(arr); } }