Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2011 Francesco Feltrinelli <first_name DOT last_name AT gmail DOT com>
 *
 * 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;

public class Main {
    public static byte[] concat(byte single, byte[] array) {
        byte[] result = new byte[1 + array.length];
        result[0] = single;
        System.arraycopy(array, 0, result, 1, array.length);
        return result;
    }

    public static byte[] concat(byte[] array, byte single) {
        byte[] result = new byte[1 + array.length];
        System.arraycopy(array, 0, result, 0, array.length);
        result[array.length] = single;
        return result;
    }

    public static byte[] concat(byte[] first, byte[] second) {
        byte[] result = new byte[first.length + second.length];
        System.arraycopy(first, 0, result, 0, first.length);
        System.arraycopy(second, 0, result, first.length, second.length);
        return result;
    }

    public static byte[] concat(byte[] first, int firstStart, int firstLength, byte[] second, int secondStart,
            int secondLength) {
        byte[] result = new byte[firstLength + secondLength];
        System.arraycopy(first, firstStart, result, 0, firstLength);
        System.arraycopy(second, secondStart, result, firstLength, secondLength);
        return result;
    }

    public static byte[] concat(byte[] first, byte[] second, int secondStart, int secondLength) {
        return concat(first, 0, first.length, second, secondStart, secondLength);
    }

    public static byte[] concat(byte[] first, int firstStart, int firstLength, byte[] second) {
        return concat(first, firstStart, firstLength, second, 0, second.length);
    }

    public static <T> T[] concat(T single, T[] array) {
        @SuppressWarnings("unchecked")
        final T[] result = (T[]) Array.newInstance(single.getClass().getComponentType(), 1 + array.length);

        result[0] = single;
        System.arraycopy(array, 0, result, 1, array.length);

        return result;
    }

    public static <T> T[] concat(T[] array, T single) {
        @SuppressWarnings("unchecked")
        final T[] result = (T[]) Array.newInstance(single.getClass().getComponentType(), 1 + array.length);

        System.arraycopy(array, 0, result, 0, array.length);
        result[array.length] = single;

        return result;
    }

    public static <T> T[] concat(T[] first, T[] second) {
        @SuppressWarnings("unchecked")
        final T[] result = (T[]) Array.newInstance(first.getClass().getComponentType(),
                first.length + second.length);

        System.arraycopy(first, 0, result, 0, first.length);
        System.arraycopy(second, 0, result, first.length, second.length);

        return result;
    }
}