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Become an XcoderStart Programming the Mac Using Objective-CBy Bert Altenberg, Alex Clarke and Philippe Mougin.LicenseCopyright noticeCopyright © 2008 by Bert Altenburg, Alex Clarke and Philippe Mougin. Version 1.15 Released under a Creative Commons

This book is written for non-programmers, and is aimed at levelling the learning curve as much as possible. In the best tradition, Become An Xcoder is released as a free booklet in pdf format under a Creative Commons License. You'll go beyond the basics and dive into such in-depth topics as installing the latest version of Xcode tools, customizing the look and behavior of Xcode, creating and managing projects, using the built-in class browser to model complex applications and structures, and more. . | Become an Xcoder Start Programming the Mac Using Objective-C By Bert Altenberg Alex Clarke and Philippe Mougin License Copyright notice Copyright 2008 by Bert Altenburg Alex Clarke and Philippe Mougin. Version 1.15 Released under a Creative Commons License 3.0 Attribution Non-commercial http creativecommons.org licenses by 3.0 Attribution The licensors Bert Altenburg Alex Clarke and Philippe Mougin permit others to copy modify and distribute the work. In return the licensees must give the original authors credit. Non-commercial The licensors permit others to copy modify and distribute the work and use the work in paid-for and free courses. In return licensees may not sell the work itself although it may accompany other work that is sold. CocoaLab CocoaLab makes this book freely available online in the form of a wiki or a pdf document in English Chinese and Arabic from http www.cocoalab.com. Become An Xcoder Contents License.2 Copyright notice.2 CocoaLab.2 Introduction.2 How to use this book.2 00 Before we start.3 01 A Program Is a Series of Instructions.01 1 Introduction.01 1 Variables.01 1 The semicolon.01 1 Naming variables.01 1 Using variables in calculation.01 2 Integers and floats.01 3 Declaring a variable.01 3 Data Types.01 4 Parentheses.01 5 Division.01 5 Booleans.01 5 Modulus.01 5 02 No comment Unacceptable .02 1 Introduction.02 1 Making a comment.02 1 Outcommenting.02 1 Why comment .02 1 03 Functions.03 1 Introduction.03 1 The main function.03 1 Our first function.03 2 Passing in arguments .03 3 Returning values.03 4 Making it all work.03 5 Shielded variables.03 6 04 Printing on screen.04 1 Introduction.04 1 Using NSLog.04 1 Displaying variables.04 2 Displaying multiple values.04 3 Matching symbols to values.04 3 Linking to Foundation.04 4 05 Compiling and Running a Program.05 1 Introduction.05 1 Creating a project.05 1 Exploring Xcode.05 3 Build and Go.05 4 Table of contents