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Category: Swift Language

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Double, Floating-Point Numbers in Swift

April 11, 2019September 5, 2019 Jeffrey Schneider

Double-precision, Floating-point numbers are numbers that have fractional parts (usually expressed with a decimal point). You should use a floating-point type in Swift programs whenever you need a number with a decimal, such as 24.02 or 3.25.

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Integers in Swift

April 11, 2019September 5, 2019 Jeffrey Schneider

An integer (from the Latin integer meaning “whole”) is a number that can be written without a fractional component. For example, 3, 4, -7, and -1024 are integers, while 0.15, 1/2 , and √5 are not. Integers are either signed (positive, zero, or negative) or unsigned (positive or zero).

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Constants and Variables in Swift

April 9, 2019September 5, 2019 Jeffrey Schneider

In this article we will learn about variables and constants in the Swift programming language. Swift uses variables to store and refer to values by an identifying name. Swift also makes extensive use of variables whose values can’t be changed.

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Prepare development environment for Swift 4 on Xcode 10.2

April 6, 2019September 5, 2019 Jeffrey Schneider

To run examples and instructions for programming Swift on iOS, tvOS, watchOS and MacOS, we will show you how to prepare a development environment with Xcode 10.2.

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About Swift

April 4, 2019September 5, 2019 Jeffrey Schneider

Swift is a new open source programming language developed by Apple .Inc for  iOS, macOS X, watchOS, and tvOS app development. Swift 4 adopts the best of C and Objective-C, without the constraints of C compatibility.

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Same Catagory Posts

  • About Swift
  • Prepare development environment for Swift 4 on Xcode 10.2
  • Constants and Variables in Swift
  • Integers in Swift
  • Double, Floating-Point Numbers in Swift
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