Java tutorial
/* This program is a part of the companion code for Core Java 8th ed. (http://horstmann.com/corejava) 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/>. */ import java.io.IOException; import java.util.Properties; /** * This program prints out all system properties. * @version 1.10 2002-07-06 * @author Cay Horstmann */ public class SystemInfo { public static void main(String args[]) { try { Properties sysprops = System.getProperties(); sysprops.store(System.out, "System Properties"); } catch (IOException e) { e.printStackTrace(); } } }