9.11. Swift if statement

9.11.1. Grammar #

In Swift language if syntax of the statement:

if boolean_expression { /* The statement to be executed if the Boolean expression is true */ } 

If the Boolean expression is true , then if the block of code within the statement will be executed. If the Boolean expression is false , then if the first set of code at the end of the statement (after closing parentheses) is executed.

9.11.2. Flow chart #

9.11.3. Example #

import Cocoa var varA:Int = 10; /* detected condition */ if varA < 20 { /* If the conditional statement is true, execute the following program */ print("VarA ＜ 20"); } print("The value of the varA variable is \(varA)"); 

When the above code is compiled and executed, it produces the following results:

varA ＜ 20 The value of the varA variable is 10