Yeah, any method call on the object can use the `?.` notation for safety

# getting-started

[brianwernick]

Yeah, any method call on the object can use the ?. notation for safety

[victortong]

brianwernick: !! is just tell the compiler to stop give me warning , things like that right?

[brianwernick]

No, !! asks the language to throw an Exception (runtime) if the object you are accessing is null instead of safely ignoring it which ?. does

[victortong]

That is nice, Thanks