Java tutorial
//package com.java2s; /* * Copyright (C) 2015 Ticketmaster * * 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; public class Main { public static <T> T[] combineArrays(Class<T> clazz, T[]... arrays) { int length = 0; for (T[] array : arrays) { if (array == null) continue; length += array.length; } T[] finalArray = (T[]) Array.newInstance(clazz, length); int i = 0; for (T[] array : arrays) { if (array == null) continue; System.arraycopy(array, 0, finalArray, i, array.length); i += array.length; } return finalArray; } }