Here you can find the source of byteIntersection(byte[] a, byte[] b)
public static byte[] byteIntersection(byte[] a, byte[] b)
//package com.java2s; /******************************************************************************* * This file is part of the GeOxygene project source files. * //w w w.ja v a2 s . c o m * GeOxygene aims at providing an open framework which implements OGC/ISO specifications for * the development and deployment of geographic (GIS) applications. It is a open source * contribution of the COGIT laboratory at the Institut G?ographique National (the French * National Mapping Agency). * * See: http://oxygene-project.sourceforge.net * * Copyright (C) 2005 Institut G?ographique National * * This library 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 any later version. * * This library 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 library (see file LICENSE if present); if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *******************************************************************************/ import java.util.Arrays; public class Main { public static byte[] byteIntersection(byte[] a, byte[] b) { int max = Math.max(a.length, b.length); byte[] newarray = new byte[max]; Arrays.fill(newarray, (byte) 0); for (int i = 0; i < max; i++) { byte aval = 0; byte bval = 0; if (i >= a.length) { aval = 0; } else { aval = a[i]; } if (i >= b.length) { bval = 0; } else { bval = b[i]; } newarray[i] = (byte) (aval * bval); } return newarray; } }