pegar usuario logado no windows

teste

public static void main(String[] args){
		System.out.println(System.getProperty("user.name"));
		//nome da maquina
		InetAddress addr;
		try{
			addr = InetAddress.getLocalHost();
			System.out.println(addr.getHostName());
		}catch(UnknownHostException e){
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}