In Objective-C, does the binding of method really happen at “run-time”?

Question

I heard that Objective-C is influenced by the \"message passing mechanism\" of SmallTalk.

Objective-C, like Smalltalk, can use dynamic typing: an object

Answer 1

Because the IDE can infer the obvious error from the context.

When you write if (a = 1),you will get a warning. A good IDE should help you find mistakes as early as possible.