Smalltalk-80 The Interactive Programming Environment

Introduction to the book and the system. Basic user interface components. How to use the text editor. How to use projects. Fundamentals of the Smalltalk-80 language. How to evaluate expressions. How to make pictures. Finding out about instances. Finding out about system classes. Finding out about messages and methods. Modifying existing class descriptions. Modifying existing class definitions. Creating a new class description. Improving performance. Examples of creating or changing browsers. Spelling correction. Syntax errors. Notification of an execution interrupt. Examining and debugging execution state. Kind of execution interrupts. Single-stepping through an execution. The file system. System backup, crash recovery, and cleanup. Appendixes. Indexes.