Entwaesserung

Eintrag vom: 10.05.2013.

Learn to use conditionals in Swift step by step. Master if else switch and logical operators with clear examples to get started on iOS.

 

You can write an if-else-if statement starting with an if condition followed by one or more else if conditions and optionally ending with an else block to handle all other cases.

 

Explore Swift conditional logic in Xcode?if/else statements comparison and arithmetic operators logical operators and switch statements for iOS development.

 

Swift if the conditional statement is used to execute code block based on conditional expression statements. The conditional expression contains either single or multiple conditions.

 

Swift uses something called short-circuit evaluation to boost performance: if it is evaluating multiple things that all need to be true and the first one is false it doesn't even bother evaluating the rest.

 

In this tutorial you will learn about the Swift if...else statement with the help of examples to create decision-making programs.

 

Explanation: In the above example first we create a variable named "number". Now using the if-else-if statement we check if the number is greater than or equal to 90 assigning grade A.