Development Java Tutorial

class ShowUserDir {
  public static void main(String args[]) {
    System.out.println(System.getProperty("user.dir"));
  }
}
The following properties are available:
file.separator
java.specification.version
java.vm.version
java.class.path
java.vendor
line.separator
java.class.version
java.vendor.url
os.arch
java.compiler
java.version
os.name
java.ext.dirs
java.vm.name
os.version
java.home
java.vm.specification.name
path.separator
java.io.tmpdir
java.vm.specification.vendor
user.dir
java.library.path
java.vm.specification.version
user.home
java.specification.name
java.vm.vendor
user.name
java.specification.vendor