What is the difference between objective-C and Swift?

Answer 1

There are two different programming languages.

Check these out:

https://www.sololearn.com/discuss/1445879/?ref=app
https://www.sololearn.com/discuss/1233244/?ref=app

Answer 2

See:https://www.quora.com/What-are-the-major-differences-between-Swift-and-Objective-C