Here you can find the source of concatArraysToList(final T[]... arrays)
public static <T> List<T> concatArraysToList(final T[]... arrays)
//package com.java2s; /*/*from ww w . ja v a 2 s. co m*/ * JBoss, by Red Hat. * Copyright 2010, Red Hat, Inc., and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ import java.util.ArrayList; import java.util.Arrays; import java.util.List; public class Main { public static <T> List<T> concatArraysToList(final T[]... arrays) { List<T> newList = new ArrayList<T>(); for (T[] elArray : arrays) { newList.addAll(Arrays.asList(elArray)); } return newList; } }