Development Java Tutorial

public class MainClass {
  public static void main(String[] args) {
    java.util.Properties properties = System.getProperties();
    properties.list(System.out);
  }
}
-- listing properties --
java.runtime.name=Java(TM) 2 Runtime Environment, Stand...
sun.boot.library.path=C:\Java_Dev\sdk\jdk\jre\bin
java.vm.version=1.5.0-b64
java.vm.vendor=Sun Microsystems Inc.
java.vendor.url=http://java.sun.com/
path.separator=;
java.vm.name=Java HotSpot(TM) Client VM
file.encoding.pkg=sun.io
user.country=US
sun.os.patch.level=Service Pack 2
java.vm.specification.name=Java Virtual Machine Specification
...
awt.toolkit=sun.awt.windows.WToolkit
java.vm.info=mixed mode
java.version=1.5.0
java.ext.dirs=C:\Java_Dev\sdk\jdk\jre\lib\ext
sun.boot.class.path=C:\Java_Dev\sdk\jdk\jre\lib\rt.jar;C:...
java.vendor=Sun Microsystems Inc.
file.separator=\
java.vendor.url.bug=http://java.sun.com/cgi-bin/bugreport...
sun.cpu.endian=little
sun.io.unicode.encoding=UnicodeLittle
sun.desktop=windows
sun.cpu.isalist=