For Loops

In Swift, you can use a for loop to repeat code. For example, let’s use a for loop to calculate the sum from 0 to 10: Output: Loops are extremely common in Swift and other programming languages. As you can imagine, when working with data, you need to be able to repeatedly perform the same …

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Switch Statement

In Swift, you can use the switch statement to turn lengthy if-else statements into more concise and structured expressions. For example, take a look at this if-else statement. There is a lot of repetition and the code is quite long and somewhat verbose. In this case, you can tidy up the code by replacing the …

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If-Else Statements

In Swift, you can use an if-else statement to let your program make decisions. For example, let’s check if a person can drive based on their age: This results in the following output in the console: If-else statements are everywhere. They are the basic building blocks of programming. With if-else statements, you can start implementing …

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Math Operators

In this chapter, you are going to learn the basic math operators in Swift. The four common math operators in Swift are: + for addition. – for subtraction. * for multiplication. / for division. For example, let’s perform some basic maths with these operators and store the results into variables: In this guide, you are …

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Data Types

In Swift, each variable/constant holds a value that represents some data type. There are lots of data types in Swift. As a beginner, it is important to learn these 5 basic data types first: Int to store whole numbers. String to store words. Double and Float to store decimal numbers. Bool to store the truth …

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