/* * Copyright (C) 2009 E.Albert, P.Arenas, S.Genaim, G.Puebla, and D.Zanardini * https://costa.ls.fi.upm.es * * 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/>. */ package pubs; /** * This class illustrates dynamic dispatch * * @author E.Albert, P.Arenas, S.Genaim, and G.Puebla * @costaContext pubs.A pubs.B pubs.C */ public class Incr { /** * The loop in this method iterates a number of times which depends on * the run-time type of o * @param n * @param o is an object which can be of any of classes A, B, or C * @return */ int add(int n,A o){ int res=0; int i=0; while (i<=n){ res=res+i; i=o.incr(i); } return res; }; public static void main(String[] args) { // First test int test = 10; Incr testClass = new Incr(); A c = new A(); int result = testClass.add(test,c); System.out.println("Result: "+result); /* // Second test test = 50; testClass = new Incr(); c = new C(); result = testClass.add(test,(B)c); System.out.println("Result: "+result); // Third test test = 100; testClass = new Incr(); c = new C(); result = testClass.add(test,(B)c); System.out.println("Result: "+result); */ } }