Sams Teach Yourself Objective-C in 24 Hours > Hour 16. Managing Memory and Runtime Objects > Summary

Table of Contents

Download Safari Books Online apps: Apple iOS | Android

Entire Site

Free Trial

Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.

This Book

Sams Teach Yourself Objective-C in 24 Hours

Search

Table of Contents

We Want to Hear from You!

Reader Services

Introduction

Part I. Getting Started with Objective-C

Part II. Working with the Objective-C Basics

Hour 6. Exploring Messaging and a Testbed App

Hour 7. Declaring a Class in an Interface File

Hour 8. Declaring Instance Variables in an Interface File

Hour 9. Declaring Properties in an Interface File

Hour 10. Declaring Methods in an Interface File

Hour 11. Declaring Actions in an Interface File

Hour 12. Routing Messages with Selectors

Hour 13. Building on the Foundation

Hour 14. Defining a Class in an Implementation File

Hour 15. Organizing Data with Collections

Hour 16. Managing Memory and Runtime Objects

Managing Objects in Memory

Managing Reference Counts Manually

Managing Reference Counts with ARC

Variable Qualifiers

Autoreleasing Variables

Summary

Q&A

Workshop

Part III. Expanding and Extending Classes

Part IV. Beyond the Basics

Part V. Appendixes

Index

Summary

This hour has shown you how to manage memory and runtime objects both with traditional manual reference counting as well as with Automatic Reference Counting (ARC). With iOS 5 and Lion, the compiler and optimizer take care of writing code that previously you had to worry about.

You are currently reading a PREVIEW of this book.

Get instant access to over
$1 million worth of books and videos.

Start a Free Trial