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9. Variables, Functions, and Classes

Section Overview

This section covers key features of programming languages including scope, modularity, and object-oriented concepts.

Key Knowledge: KK 3.1.8 (selected topics)

What You'll Learn

  • Variables and Constants: Local vs global scope and when to use constants
  • Functions and Methods: Modular programming and code reuse
  • Classes and Objects: Object-oriented programming fundamentals

Pages in This Section

  • a. What You Need To Know - Core concepts and theory
  • b. Test Your Knowledge - Multiple choice questions
  • c. Practical Examples - C# code examples
  • d. Applied Task - Hands-on exercises
  • e. Extras - Additional practice questions

Why This Matters

Understanding scope, modularity, and object-oriented programming is essential for the SAT. You'll need to demonstrate proper use of variables, functions, and classes in your software solution.