1 /* Show the Java version. 2 * Copyright (C) 2006 Free Software Foundation, Inc. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2, or (at your option) 7 * any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software Foundation, 16 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 17 */ 18 19 /** 20 * This program shows the Java version. 21 * 22 * This program _must_ be compiled with 23 * javac -d . -target 1.1 javaversion.java 24 * since its purpose is to show the version of _any_ Java implementation. 25 * 26 * @author Bruno Haible 27 */ 28 public class javaversion { main(String[] args)29 public static void main (String[] args) { 30 System.out.println(System.getProperty("java.specification.version")); 31 } 32 } 33