Data Types

Integer Types

What is Int?

Int is used for storing integer values. It can store both positive and negative numbers.

var age: Int = 30

UInt for Unsigned Integers

UInt is used for storing unsigned integer values, which are always positive or zero.

var stockQuantity: UInt = 50

Floating-Point Types

Double and Float

Double and Float are used for storing floating-point numbers, with Double having more precision.

var pi: Double = 3.14159
var height: Float = 1.75

String Type

String is used for storing text.

var name: String = "John"

Boolean Type

Bool is used for storing true or false values.

var isCompleted: Bool = false

Conclusion

Understanding the different data types in Swift allows you to choose the most appropriate type for your variables and constants, making your code more efficient and readable.