19.1 Introduction
  19.1.1 Terminology
 19.2 Creating Objects
  19.2.1 Methods
  19.2.2 Protection of Objects
 19.3 Reference Information
  19.3.1 Loading Objects
  19.3.2 Flavor Definition
  19.3.3 Method Definition
  19.3.4 Object Creation
  19.3.5 Message Sending
  19.3.6 Printing Objects
  19.3.7 Useful Functions on Objects
 19.4 Using Inheritance
  19.4.1 Warning on Inheritance Usage
  19.4.2 Using SELF and MYSELF with Inheritance
  19.4.3 Inheritance and Initialization
  19.4.4 Making Changes to Inherited Code
 19.5 Debugging Information