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GNU Smalltalk User's Guide

4. Tutorial

What this manual presents

This document provides a tutorial introduction to the Smalltalk language in general, and the GNU Smalltalk implementation in particular. It does not provide exhaustive coverage of every feature of the language and its libraries; instead, it attempts to introduce a critical mass of ideas and techniques to get the Smalltalk novice moving in the right direction.

Who this manual is written for

This manual assumes that the reader is acquainted with the basics of computer science, and has reasonable proficiency with a procedural language such as C. It also assumes that the reader is already familiar with the usual janitorial tasks associated with programming: editing, moving files, and so forth.

4.1 Getting started		Starting to explore GNU Smalltalk
4.2 Using some of the Smalltalk classes
4.3 The Smalltalk class hierarchy
4.4 Creating a new class of objects
4.5 Two Subclasses for the Account Class		Adding subclasses to another class
4.6 Code blocks		Control structures in Smalltalk
4.7 Code blocks, part two		Guess what? More control structures
4.8 When Things Go Bad		Things go bad in Smalltalk too!
4.9 Coexisting in the Class Hierarchy		Coexisting in the class hierarchy
4.10 Smalltalk Streams		Something really powerful
4.11 Some nice stuff from the Smalltalk innards
4.12 Some final words
4.13 A Simple Overview of Smalltalk Syntax		For the most die-hard computer scientists