Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/* Copyright (c) 2009 Matthias Kppler
 *
 * 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 {
    @SuppressWarnings("unchecked")
    public static <T> T[] join(T[] head, T[] tail) {
        if (head == null) {
            return tail;
        }
        if (tail == null) {
            return head;
        }
        Class<?> type = head.getClass().getComponentType();
        T[] result = (T[]) Array.newInstance(type, head.length + tail.length);

        System.arraycopy(head, 0, result, 0, head.length);
        System.arraycopy(tail, 0, result, head.length, tail.length);

        return result;
    }
}