public void showProfile() throws ProfileNotSetException {
        if (this.getEmail() == "" || this.getPhone() == ""
                || this.getDescription() == "") {
            System.out.println("User " + this.getName() + " does not have any info set.");
        } else {
            System.out.println("User " + this.getName() + " has the following info:\n");
            System.out.println("    -Email: " + this.getEmail());
            System.out.println("    -Telephone nr: " + this.getPhone());
            System.out.println("    -Description: " + this.getDescription());
        }
    }