如何获取Java中应用程序的安装路径？

Question

I pack some executable files into the installer, I want to know how can I get application's installation path(Win/Mac). Executable files are under the installation directory.

Answer 1

You can get User working directory (pwd in linux) using this,

String workingDirectory = System.getProperties().getProperty("user.dir"); 

You can get the .jar file location using this,

URL jarLocation = getClass().getProtectionDomain().getCodeSource().getLocation();

Answer 2

You can put the path into a String like so:

String workingDirectory = System.getProperties().getProperty("user.dir");

Or print it:

System.out.println(System.getProperties().getProperty("user.dir"));