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


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