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Programming Fundamentals
Programming Concepts A
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Object-Oriented Programming A (Last Updated: 9/4/2025)
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Chapter 3.3 - Abstract Classes
Chapter 3.3 - Abstract Classes
3.3.1 How to Represent Abstraction in a Class Diagram [2 minutes]
3.3.2 How to Define Abstract Classes [11 minutes]
3.3.3 How to Use the Protected Visibility Keyword [17 minutes]
3.3.4 How to Use Abstract Properties [1 minute]
3.3.5 How to Define and Use Abstract Methods [10 minutes]
3.3.6 How to Use ToString [8 minutes]