
public class HelloAssertions {
    public static void main(String... args) {
        System.out.println("Hello Assertions!");

        String userID = null;

        assert userID != null;

        // TODO: Complete this Kata
    }
}

public class HelloAssertions {
    public static void main(String... args) {
        System.out.println("Hello Assertions!");

        String userID = null;

        assert userID != null;

        // TODO: Complete this Kata
    }
}

Update HelloAssertions.java