In java, there are some methods that will help you to know some user related informations. Here also,
System.getProperty()method can give some informations about the user like:
User account name
User Working directory
User Home directory
To get the username of current user on the computer just call
System.getProperty("user.name") It will return the current username as a string.
To get the working directory of current user on the computer call
System.getProperty("user.dir") It will return the path of working directory of current user as a string.
To get the home directory (user's home folder) of current user on the computer call
System.getProperty("user.home") It will return the path to home directory (folder) of current user as a string.
