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Compile screen for mac11/8/2023 It gives you an overview of the syntax and structure of Swift, the new programming language of iOS.Let's follow the programming tradition and create a "Hello World" app using Xcode.ĭespite its simplicity, the "Hello World" program serves a few purposes: It's a tradition in the programming world. It's a very simple program that outputs "Hello, World" on the screen of a device. Hello World is a program for the first-time programmer to create. You may have heard of the "Hello World" program if you have read any programming book before. You need to have Xcode 12 installed in order to work on all exercises in this book. If you have skipped the first two chapters, please stop here and go back to read them. Theory is nice but nothing replaces actual experience.īy now you should have installed Xcode and some understandings of Swift. Hello World! Build Your First App in Swift
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