Object Technology

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Types and Objects in Python: Mar 17, 2006; All the data stored in a Python program is built around the concept of an object. Objects include fundamental data types such as numbers, strings, lists, and dictionaries. It's also possible to create user-defined objects in the form of classes or extension types. This chapter describes the Python object model and provides an overview of the built-in data types.

UML Essentials, Elements, and Artifacts: Jul 13, 2001; This sample chapter provides you with a high-level summary of the main elements and artifacts of the UML -- enough to get started with the pattern language.

Understanding Classes and Objects in REALbasic: Jul 21, 2006; This chapter provides an overview of object-oriented concepts and how they are implemented in REALbasic, and gives some insight into strategies for executing your object-oriented programming effectively.

Using the Data Accessor Pattern: Dec 31, 2003; Design patterns aren't just for application code. In this extract from Data Access Patterns: Database Interactions in Object-Oriented Applications, Clifton Nock explains the Data Accessor pattern, which decouples application logic from the physical data access implementation by defining an abstraction that exposes only logical operations to the application code.

Visual Basic and OOP: The Next Generation: Jun 12, 2000; In this article, Bob Reselman describes the Object Oriented Programming (OOP) enhancements that are planned for Visual Basic version 7. Not only does Bob show how these new features pertain to standard OOP practice, but he also describes how they are ...

Wheels Within Wheels: Model Problems in Practice: Feb 22, 2002; This article by Kurt Wallnau, provided courtesy of the Software Engineering Institute, covers how to put model problems into action by using the 3-Rs of design risk reduction in component-based systems: Realize model solutions, Reflect on their utility and risk, and Repair the risks.

Why Encapsulation Is Fundamental to Object-Oriented Programming: Jun 2, 2014; Encapsulation is so fundamental to OO that it is one of OO design’s cardinal rules. Inheritance is also considered one of the three primary OO concepts. However, in one way, inheritance actually breaks encapsulation! How can this be? Is it possible that two of the three primary concepts of OO are incompatible with each other? Matt Weisfeld explores this possibility.

Working with Object-Orientation in UML: Jun 25, 2004; Are you trying to learn about object-oriented programming (or at least how to make the most of it) while you're also coming up to speed with UML? In this sample book chapter, you'll firm up your knowledge of object-orientation as you learn more about the UML. Learn about attributes, operations, visualization, and classes.