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Computer Programming for Absolute Beginners

You're reading from  Computer Programming for Absolute Beginners

Product type Book
Published in Jul 2020
Publisher Packt
ISBN-13 9781839216862
Pages 430 pages
Edition 1st Edition
Languages
Author (1):
Joakim Wassberg Joakim Wassberg

Table of Contents (19) Chapters

Preface 1. Section 1: Introduction to Computer Programs and Computer Programming
2. Chapter 1: Introduction to Computer Programs 3. Chapter 2: Introduction to Programming Languages 4. Chapter 3: Types of Applications 5. Chapter 4: Software Projects and How We Organize Our Code 6. Section 2: Constructs of a Programming Language
7. Chapter 5: Sequence – The Basic Building Block of a Computer Program 8. Chapter 6: Working with Data – Variables 9. Chapter 7: Program Control Structures 10. Chapter 8: Understanding Functions 11. Chapter 9: When Things Go Wrong – Bugs and Exceptions 12. Chapter 10: Programming Paradigms 13. Chapter 11: Programming Tools and Methodologies 14. Section 3: Best Practices for Writing High-Quality Code
15. Chapter 12: Code Quality 16. Other Books You May Enjoy Appendix A: How to Translate the Pseudocode into Real Code 1. Appendix B: Dictionary

Chapter 7: Program Control Structures

If all of our code was simply executed in sequence, our programs would always do the same thing, no matter what data we provided them with. We must be able to control the path through the program so that some part of the code executes at the designated time, and other parts at other times, depending on the values provided by the data. For instance, only if it is cold outside do you put on warm clothes, not always. The same thing applies to our code. When things are a certain way, we want something to happen.

In a way, we can say that we, by this, will introduce some sort of intelligence, or at least some decision-making capabilities into our code. If things are this way, do this, if not, do that.

In this chapter, you will learn the following topics:

  • Controlling the execution path of the program
  • Making decisions with the help of if statements
  • Selecting one out of many options with switch statements
  • Repeating code execution...
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