/* Show the Java version. * Copyright (C) 2006, 2009-2023 Free Software Foundation, Inc. * * 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 . */ /** * This program shows the Java version. * * This program _must_ be compiled with * javac -d . -target 1.1 javaversion.java * since its purpose is to show the version of _any_ Java implementation. * * @author Bruno Haible */ public class javaversion { public static void main (String[] args) { System.out.println(System.getProperty("java.specification.version")); } }