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Begin Your Journey with C

To initiate your learning in C, you require the following:

  • A text editor for crafting C code
  • A compiler like GCC to convert the C code into a machine-understandable language

There are various text editors and compilers to select from. For this tutorial, an IDE (Integrated Development Environment) will be used by us.

Setting up the C IDE

An IDE is a software suite that consolidates the basic tools needed to write and test the code. Popular IDEs include Code::Blocks, Eclipse, and Visual Studio which are all free to use and facilitate both the editing and debugging of C code.

Note: Although web-based IDEs can be used, they typically have more limitations compared to their desktop counterparts.

We recommend starting with Code::Blocks. The latest version can be downloaded from here.

Let's Start with C

Create your first C file by following the steps below:

  1. Open Codeblocks
  2. Go to File > New > Empty File
  3. Write the following C code and save the file as myfirstprogram.c:
#include <stdio.h>, int main() { printf("Welcome to Fynd Academy!"); return 0;}

The above code might seem incomprehensible for now, we'll break it down in later chapters. For now, concentrate on running the code.

Executing Your Code

After writing the code, it's time to run it. In Codeblocks, navigate to Build > Build and Run. Your result will look something like this:

Welcome to Fynd Academy!

Great job! You've just written and executed your first C program.

Your C Learning Journey with Fynd Academy

Learning C with Fynd Academy is facilitated by our "Practice it Yourself" tool. It concurrently illustrates the code and the outcome, simplifying every new part you learn:

#include <stdio.h>int main() { printf("Welcome to Fynd Academy!"); return 0;} Welcome to Fynd Academy!

Practice it Yourself ยป

Fynd Academy Pathfinder

Track your progress as you embark on your learning journey. Best of all, it's complimentary!

<h2>C Variables - Examples</h2> <h4>Practical Example</h4> <p>Typically in our examples, we simplify variable names to be consistent with their data type, such as myInt or myNum for int types, myChar for char types, etc. This is done for clarity's sake. If you're looking for a more practical illustration of how variables can be utilized, consider the following where we created a program that records various data of a college student:</p> <p>Example:</p> <pre> // Student data int learnerID = 15; int learnerAge = 23; float learnerFee = 75.25; char learnerGrade = 'B'; // Print variables printf("Learner id: %d\n", learnerID); printf("Learner age: %d\n", learnerAge); printf("Learner fee: %f\n", learnerFee); printf("Learner grade: %c", learnerGrade); </pre> <h4>Rectangle Area Calculation</h4> <p>In this practical example, we are designing a program to calculate the area of a rectangle by multiplying its length and width:</p> <p>Example:</p> <pre> // Create integer variables int length = 4; int breadth = 6; int area; // Calculate the area of a rectangle area = length * breadth; // Print the variables printf("Length is: %d\n", length); printf("Width is: %d\n", breadth); printf("Area of the rectangle is: %d", area); </pre> <h4> Pathfinder - Track your progress for free!</h4>