Book Image

Computer Programming for Absolute Beginners

By : Joakim Wassberg
4 (1)
Book Image

Computer Programming for Absolute Beginners

4 (1)
By: Joakim Wassberg

Overview of this book

Learning how to code has many advantages, and gaining the right programming skills can have a massive impact on what you can do with your current skill set and the way you advance in your career. This book will be your guide to learning computer programming easily, helping you overcome the difficulties in understanding the major constructs in any mainstream programming language. Computer Programming for Absolute Beginners starts by taking you through the building blocks of any programming language with thorough explanations and relevant examples in pseudocode. You'll understand the relationship between computer programs and programming languages and how code is executed on the computer. The book then focuses on the different types of applications that you can create with your programming knowledge. You'll delve into programming constructs, learning all about statements, operators, variables, and data types. As you advance, you'll see how to control the flow of your programs using control structures and reuse your code using functions. Finally, you'll explore best practices that will help you write code like a pro. By the end of this book, you'll be prepared to learn any programming language and take control of your career by adding coding to your skill set.
Table of Contents (19 chapters)
1
Section 1: Introduction to Computer Programs and Computer Programming
6
Section 2: Constructs of a Programming Language
7
Chapter 5: Sequence – The Basic Building Block of a Computer Program
14
Section 3: Best Practices for Writing High-Quality Code
Appendix B: Dictionary
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
R
S
T
U
V
W

The pseudocode examples

In this section, we will look into a few code examples for pseudocode.

Hello world in pseudocode

The first example will be a short program that just prints Hello, World! to the screen.

In our pseudocode, it will look like this:

print "Hello, World!"

Variables declaration in pseudocode

In this example, we will create a couple of variables. The first one will store an integer. The second one will store the value from the first one but converted into a string:

my_int_value = 10
my_string_value = string(my_int_value)

The for loop in pseudocode

In this example, we will have a for loop that iterates 10 times and prints the values 0 to 9:

for i = 0 to 10
    print i
end_for

Functions in pseudocode

In this example, we will create a small function that will accept three integers as arguments. The function should then return the largest of them. We will also call the function and display the result.

...