Call the function(method) to do something detail.

loop, condition branch, control transfer.

The array, set, and dictionary.

String type is bridged with Foundation’s NSString. Foundation extends String to expose methods defines by NSString. If import Foundation, you can access those NSString methods on String without casting. String Literals // "Hello World!" is a String literal. let sentence = "Hello World!" // Multiline let story = """ There are some people in the room. They are having a party. Because today is the Christmas. """ // every line has the line breaks....

Basic usage of the operators.

Basic usage of the swift syntax.

false

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