Running Hello World Locally (Xcode & Terminal)
Running Hello World Locally (Xcode & Terminal)
What is Xcode?
Xcodeis anIDE,IntegratedDevelopmentEnvironment, containing a suite of software development tools developed by Apple for developing software for iOS, watchOS, macOS, iPadOS, and tvOS.
It was first released in 2003 and the latest stable release is version 11.0 and is available via the Mac App Store for download.
Xcode Screenshot
Typically Swift source code files are given the suffix:
- .swift(ex:Hello.swift)
Sometimes it is more convenient to run Swift code in the terminal.
On a Mac, it’s called the Terminal and looks like this:On Windows, it’s called the Command Prompt and looks like this:
Black background with a simple white terminal prompt symbol consisting of a greater-than sign and a dash, resembling '>-'.
Black background with white text showing the Windows command prompt symbol 'C:\'.
Let’s see how we can do it in a macOS terminal:
$ swift --versionCompile:
$ swiftc Hello.swiftswiftcand the source file name.
Execute:
$ ./Hello./and the executable file name.
Compiling (xkcd)
xkcd: Compiling
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