Hour
C++ Programming Language
C++ is one of the most popular programming languages in the
world. It is the language of choice for building performance-
critical applications, such as video games, device drivers, web
browsers, servers, operating systems, and more. That's why
it's used by large companies like Adobe, Google, Microsoft,
Netflix, and even government agencies like NASA.
The latest version of C++ is version 20, with the next version
coming out next year. The average salary of a C++
programmer in the US is just over $170,000 a year.
The Two Things to Learn
To master C++, there are two things you need to learn: the
language itself (meaning the syntax or the grammar of this
language), and the C++ standard library. You need to be able
to learn from the C++ standard library, but you also need to
learn the language itself to master it.
The language itself is a great choice. It has influenced many
programming languages like C#, Java, and so-called "types of
JavaScript" like TypeScript, Dart, and more. It's a great
investment and opens a lot of doors for you to land a job as a
software engineer.
Many people find C++ a bit intimidating, but in reality, you
don't need to learn all of C++ to be able to write substantial
programs. In this course, we'll explore major functionalities in
the standard library, but the library is huge so we'll only
scratch the surface. If you want to learn more, there are books
specifically written on this topic.
Using an IDE
We use an Integrated Development Environment (IDE), which is
basically an application that contains an editor for writing code
as well as build and debug tools. We'll explore how you can
write some really cool programs as you're learning C++. I'm
, going to give you plenty of exercises to help you better
understand and remember the concepts. Then you will see that
C++ is not really that difficult.
I recommend using CLion, but you can use any tool you prefer.
CLion is cross-platform, so it runs on Windows, Mac, and Linux.
You can try it for free for 30 days, but then it requires a
license. If you don't want to pay for a license, you can use the
Community Edition, which is free. You can get it from the app
store for Windows, Mac, or Linux.
Creating Your First C++ Program
We're going to create our first C++ program together in the
next lesson. The first time you open CLion, you're going to see
a popup box for activating your license. For now, just select
"Start Trial." You need to log into your Jet Brains account, so
either sign in or create a new account. It's really simple and
will only take a minute or two.
Now back to CLion. We can start our trial now. On this page,
we're going to click on "New Project." On the top, we can
specify the location of this project. On my Mac, it's going to be
on users/myname/CLionProjects. I'm going to delete all this
code because it maintains a file that is the main file of our
program. The next lesson will be written in a file called
"main.cpp." If you accidentally close it, you can easily find it in
the project window, so expand this folder and here is
"main.cpp."
Conclusion
C++ is a great programming language to learn, and it has
numerous applications. With a little practice and patience, you
can be on your way to building amazing programs. Please try it
out and see for yourself!
C++ is a case-sensitive language, so the uppercase and
lowercase letters matter. Make sure to type the code exactly
as shown to avoid errors. We will define a function, and its
return value will indicate whether our code terminated
successfully.
The first line of the program should start with #include
followed by the angle brackets and the name of one of the files
in the standard library. In this case, we use iostream for