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IBM SmallTalk: The Language (Benjamin/Cummings Series in Object-Oriented Software Enginee)

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IBM SmallTalk: The Language (Benjamin/Cummings Series in Object-Oriented Software Enginee) Cover

 

 

Excerpt

The IBM Smalltalk language is delivered in several products, as VisualAge which emphasizes visual construction of interfaces and applications, and as IBM Smalltalk which emphasizes a more traditional textual programming approach. Each comes with two levels of development support: team and individual. Each of these runs on a number of platforms, including IBM OS/2, Microsoft Windows, and AIX.

This is a language book. It describes the IBM Smalltalk language and class libraries. Like most books for other languages, this book does not describe the development environment, the compiler, editors, or debuggers, to any great degree. The environment in which Smalltalk programs are written looks, feels, and acts in different ways in VisualAge than in IBM Smalltalk, is different in the team and individual versions, and is different in look and feel across the various implementation platforms. This book concentrates on the language and core libraries, because they are common to and uniform across all products and platforms. This book thus applies to all of the IBM Smalltalk and VisualAge products.

Information specific to a platform is omitted since the book (and IBM Smalltalk) is platform independent. There are no live screen shots, no platform-specific operating system or graphics calls, and no information on installing or starting Smalltalk. Detailed information on the development environment is likewise omitted, since the subject is large, details vary by platform, and the topic deserves a book of its own. Graphics and windowing are introduced in this book, but will be described in detail in a companion volume.

It is assumed that readers know how to program in some language, know the concepts of variable, procedure, parameter, loop, array, number, and so on, and have some experience writing programs for others to use.

If you are already a Smalltalk programmer, you will know most of the material in the early chapters. However, there are some extensions and changes, and it will be worthwhile skimming these chapters.

Goals

The author set out to write a book that was to be specifically for the IBM Smalltalk language. Five goals were set:

  1. To be a programmer's Smalltalk book, practical and for everyday use, and not a theoretical description, or an overview;
  2. To support all IBM Smalltalk and VisualAge platforms by including only portable interfaces, by defining and describing where portability problems are, and by not describing platform-dependent details
  3. To be a reference, by being complete and useful enough to be keep at hand while programming
  4. To emphasize examples, from short expressions to code fragments through full programs
  5. To make it easy to find things by indexing and cross- referencing extensively

Parts

The book is divided into four parts: an introduction to concepts and features, more advanced topics, sample programs, and the encyclopedia of classes.

Chapters in Part I introduce the concepts of object- oriented programming, the beginnings of interaction with the Smalltalk system, language elements, blocks and methods, basic classes, collections, and how to write classes.

Part II describes more advanced topics, including graphics, windowing, files and streams, details on variables and scoping, memory management, exception handling, and processes.

Part III contains sample Smalltalk programs.

Part IV is an encyclopedia of Smalltalk classes. It contains more detailed information about the classes and a full description of the public interface to the classes.

080530908XP04062001

Product Details

ISBN:
9780805309089
Author:
Smith, David N.
Author:
Smth, David N.
Author:
Smith, David N.
Publisher:
Addison-Wesley Professional
Location:
Redwood City, Calif. :
Subject:
Programming Languages - General
Subject:
Technology
Subject:
Data processing
Subject:
Programming - Object Oriented Programming
Subject:
Object-oriented programming (computer science
Subject:
Smalltalk (computer program language)
Subject:
Programming Languages - Smalltalk
Subject:
Object-oriented programming
Subject:
Object-oriented pro
Subject:
Computer Languages-Smalltalk
Subject:
Software Engineering-Object Oriented Programming
Edition Description:
Trade paper
Series:
Addison-Wesley Object Technology Series
Publication Date:
19950231
Binding:
TRADE PAPER
Language:
English
Illustrations:
Yes
Pages:
584
Dimensions:
9.2 x 7.2 x 1.3 in 975 gr

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