Here you can find the source of merge(int[] x1, int[] x2)
public static int[] merge(int[] x1, int[] x2)
//package com.java2s; /**// ww w . j ava2 s . c o m * Copyright 2000-2009 DFKI GmbH. * All Rights Reserved. Use is subject to license terms. * * This file is part of MARY TTS. * * MARY TTS 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, version 3 of the License. * * 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ public class Main { public static int[] merge(int[] x1, int[] x2) { int[] y = null; int ylen = 0; if (x1 != null) ylen += x1.length; if (x2 != null) ylen += x2.length; y = new int[ylen]; int pos = 0; if (x1 != null) { System.arraycopy(x1, 0, y, 0, x1.length); pos += x1.length; } if (x2 != null) System.arraycopy(x2, 0, y, pos, x2.length); return y; } public static double[] merge(double[] x1, double[] x2) { double[] y = null; int ylen = 0; if (x1 != null) ylen += x1.length; if (x2 != null) ylen += x2.length; y = new double[ylen]; int pos = 0; if (x1 != null) { System.arraycopy(x1, 0, y, 0, x1.length); pos += x1.length; } if (x2 != null) System.arraycopy(x2, 0, y, pos, x2.length); return y; } }